Control module JAGUAR XFR 2010 1.G Workshop Manual
[x] Cancel search | Manufacturer: JAGUAR, Model Year: 2010, Model line: XFR, Model: JAGUAR XFR 2010 1.GPages: 3039, PDF Size: 58.49 MB
Page 279 of 3039

Published: 12-May-2014 
General Information - Diagnostic Trouble Code (DTC) Index DTC: Telephone 
Module (TEL) 
Description and Operation 
 
Telephone Module 
 
 
CAUTION: Diagnosis by substitution from a donor vehicle is NOT acceptable. Substitution of control modules does not 
guarantee confirmation of a fault, and may also cause additional faults in the vehicle being tested and/or the donor vehicle. 
NOTES: 
 
 
If a control module or a component is suspect and the vehicle remains under manufacturer warranty, refer to the Warranty 
Policy and Procedures manual, or determine if any prior approval programme is in operation, prior to the installation of a new 
module/component. 
 
 
Generic scan tools may not read the codes listed, or may read only 5-digit codes. Match the 5 digits from the scan tool to 
the first 5 digits of the 7-digit code listed to identify the fault (the last 2 digits give extra information read by the 
manufacturer-approved diagnostic system). 
 
 
When performing voltage or resistance tests, always use a digital multimeter accurate to three decimal places, and with 
an up-to-date calibration certificate. When testing resistance always take the resistance of the digital multimeter leads into 
account. 
 
 
Check and rectify basic faults before beginning diagnostic routines involving pinpoint tests. 
 
 
Inspect connectors for signs of water ingress, and pins for damage and/or corrosion. 
 
 
If DTCs are recorded and, after performing the pinpoint tests, a fault is not present, an intermittent concern may be the 
cause. Always check for loose connections and corroded terminals. 
 
 
Check DDW for open campaigns. Refer to the corresponding bulletins and SSMs which may be valid for the specific 
customer complaint and carry out the recommendations as required. 
 
The table below lists all Diagnostic Trouble Codes (DTCs) that could be logged in the Telephone Module. For additional 
diagnosis and testing information, refer to the relevant Diagnosis and Testing section in the workshop manual. 
For additional information, refer to: Cellular Phone (415-00 Information and Entertainment System - General Information, Diagnosis and Testing). 
 
DTC Description Possible Causes Action B1A56-13 Antenna - Circuit open  
Bluetooth antenna circuit 
- open circuit  
Refer to the electrical circuit diagrams and check blue 
tooth antenna circuit for open circuit B1D79-84 
Microphone Input - 
Signal below 
allowable range  
Signal amplitude < 
minimum  
Refer to the electrical circuit diagrams and test 
microphone input circuit for short/open circuit. Check 
integrated audio module for related DTCs and refer to 
relevant DTC Index U1A00-88 
Private 
Communication 
Network - Bus off  
Bluetooth phone module 
internal communications 
failure  
Suspect the module. Check and install a new 
telephone module as required, refer to the new 
module/component installation note at the top of the 
DTC Index U2100-00 
Initial Configuration 
Not Complete - No 
sub type information  
Initial configuration not 
complete  
Re-configure the RJB using the manufacturer approved 
diagnostic system. If DTC remains, carry out CAN 
network integrity tests using the manufacturer 
approved diagnostic system U2101-00 
Control Module 
Configuration 
Incompatible - No sub 
type information  
Configuration 
incompatible  
Re-configure the RJB using the manufacturer approved 
diagnostic system. If DTC remains, suspect the 
telephone module. Check and install a new telephone  
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DTC Description Possible Causes Action    module as required, refer to the new 
module/component installation note at the top of the 
DTC Index U3000-44 
Control Module - Data 
memory failure  
Data memory failure  
Re-configure the telephone module. If the DTC 
remains, suspect the telephone module. Check and 
install a new telephone module as required, refer to 
the new module/component installation note at the 
top of the DTC Index U3000-45 
Control Module - 
Program memory 
failure  
Program memory failure  
Re-configure the telephone module. If the DTC 
remains, suspect the telephone module. Check and 
install a new telephone module as required, refer to 
the new module/component installation note at the 
top of the DTC Index U3000-55 
Control Module - Not 
configured  
Incorrect car 
configuration data 
received  
Re-configure the RJB using the manufacturer approved 
diagnostic system. Clear DTC and re-test. If the DTC 
remains suspect the telephone module. Check and 
install a new module as required, refer to the new 
module/component installation note at the top of the 
DTC Index U3000-98 
Control Module - 
Component or system 
over temperature  
Component or system 
over temperature  
Check for additional DTCs and refer to DTC Index. 
Clear DTC and re-test/monitor condition for 
re-occurrence U3003-62 
Battery Voltage - 
Signal compare failure  
Mis-match in battery 
voltage, of 2 volts or 
more, between 
telephone module and 
RJB  
Carry out any pinpoint tests associated with this DTC 
using the manufacturer approved diagnostic system  
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7 Initiators 8 TPMS module 9 Instrument cluster  
 
 
Tire Pressure Monitoring System (TPMS) System Operation 
 
The controlling software for the Tire Pressure Monitoring System (TPMS) is located within a Tire Pressure Monitoring System 
Module. The software detects the following: 
 
When the tire pressure is below the recommended low pressure value - under inflated tire. 
The location of the tire on the vehicle that is below the recommended pressure. 
Malfunction warning. 
 
The TPMS system comprises: 
 
Tire pressure monitoring system module located below the right-hand front seat. 
Tire pressure receiver located near the gear shifter within the floor console. 
Two front initiators positioned forward of the wheels and behind the fender splash shields. 
Two rear initiators positioned rearward of the wheels and assembled on dedicated brackets located behind the fender 
splash shields. 
Four sensors, each sensor is integral with a tire valve and located within the tire; the space saver spare wheel is not 
fitted with a sensor. 
 
The four initiators are hard wired to the TPMS module. The initiators transmit 125 KHz Low Frequency (LF) signals to the tire 
pressure sensors which respond by modifying the mode status within the Radio Frequency (RF) transmission. The 315 or 433 
MHz RF signals are detected by the tire pressure receiver which is connected directly to the TPMS module. The received RF 
signals from the tire pressure sensors are passed to the TPMS module and contain identification, pressure, temperature and 
acceleration information for each wheel and tire. 
 
The TPMS module communicates with the instrument cluster via the medium speed CAN bus to provide the driver with 
appropriate warnings. The TPMS module also indicates status or failure of the TPMS or components. 
 
Tire Location and Identification 
 
The TPMS can identify the position of the wheels on the vehicle and assign a received tire pressure sensor identification to a 
specific position on the vehicle, for example front left, front right, rear left and rear right. This feature is required because of 
the different pressure targets and threshold that could exist between the front and rear tires. 
 
The wheel location is performed automatically by the TPMS module using an 'auto-location' function. This function is fully 
automatic and requires no input from the driver. The TPMS module automatically re-learns the position of the wheels on the 
vehicle if the tire pressure sensors are replaced or the wheel positions on the vehicle are changed. 
The TPMS software can automatically detect, under all operating conditions, the following: 
one or more new tire pressure sensors have been fitted 
one or more tire pressure sensors have stopped transmitting 
TPMS module can reject identifications from tire pressure sensors which do not belong to the vehicle 
two 'running' wheels on the vehicle have changed positions. 
 
If a new tire pressure sensor is fitted on any 'running' wheel, the module can learn the new sensor identification automatically 
through the tire learn and location process. 
 
The tire-learn and location process is ready to commence when the vehicle has been stationary or traveling at less than 12 
mph (20 km/h) for 15 minutes. This is known as 'parking mode'. The learn/locate process requires the vehicle to be driven at 
speeds of more than 12 mph (20 km/h) for 15 minutes. If the vehicle speed reduces to below 12 mph (20 km/h), the learn 
process timer is suspended until the vehicle speed increases to more than 12 mph (20 km/h), after which time the timer is 
resumed. If the vehicle speed remains below 12 mph (20 km/h) for more than 15 minutes, the timer is set to zero and process 
starts again. 
 
Low Pressure Monitoring 
 
The tire low pressure sensor transmits by RF (315 MHz or 433 MHz depending on market) signal. These signals contain data 
which corresponds to tire low pressure sensor identification, tire pressure, tire temperature, acceleration and tire low pressure 
sensor mode. 
 
Each time the vehicle is driven, the tire pressure monitoring system module activates each LF antenna in turn. The 
corresponding tire low pressure sensor detects the LF signal and responds by modifying the mode status within the RF 
transmission. 
 
The system enters 'parking mode' after the vehicle speed has been less than 20 km/h (12.5 miles/h) for 12 minutes. In parking 
mode the tire low pressure sensors transmit a coded signal to the tire pressure monitoring system module once every 13  
hours. If the tire pressure decreases by more than 0.06 bar (1 lbf/in²) the tire low pressure sensor will transmit more often as 
pressure is lost. 
 
As each wheel responds to the LF signal from the tire pressure monitoring system module, it is assigned a position on the 
vehicle and is monitored for the remainder of that drive cycle in that position.  
Page 446 of 3039

The warning indications to the driver are common on all vehicles fitted with TPMS. The driver is alerted to system warnings by 
a low tire pressure warning indicator in the instrument cluster and an applicable text message in the message centre. 
 
The TPMS module passes system status information to the instrument cluster on the medium speed CAN bus. The instrument 
cluster converts this data into illumination of the warning indicator and the display of an appropriate message. 
When the ignition is switched on, the warning indicator is illuminated for 3 seconds for a bulb check. 
 
 
NOTE: If the vehicle is not fitted with the TPMS, the warning indicator will not illuminate. 
 
The instrument cluster checks, within the 3 second bulb check period, for a CAN bus message from the TPMS. During this time 
the TPMS performs internal tests and CAN bus initialization. The warning indicator will be extinguished if the TPMS module 
does not issue a fault message or tire pressure warning message. 
 
If a TPMS fault warning message is detected by the instrument cluster at ignition on, the warning indicator will flash for 72 
seconds after the 3 second bulb check period and then remain permanently illuminated. 
 
If a tire pressure warning message is detected by the instrument cluster at ignition on, the warning indicator will extinguish 
briefly after the 3 second bulb check period, before re-illuminating to indicate a tire pressure warning. 
The following table shows the warning indicator functionality for given events: 
 
Event Instrument Cluster Indications Low pressure warning limit reached in one wheel 
Warning indicator illuminated. 'CHECK TYRE PRESSURE' message displayed 
and applicable tire highlighted on display. Low pressure warning limit reached in one or 
more wheels in low speed mode (only if programmed or learning) Warning indicator illuminated. 'CHECK ALL TYRE PRESSURES' message 
displayed. TPMS fault 
Warning indicator flashes for 72 seconds and is then permanently 
illuminated. The flash sequence repeats after ignition on cycle. 'TYRE 
PRESSURE SYSTEM FAULT' message displayed. No transmission from a specific tire pressure 
sensor or Specific tire pressure sensor fault Warning indicator flashes for 72 seconds and is then permanently 
illuminated. The flash sequence repeats after ignition on cycle. 'TYRE NOT 
MONITORED' message displayed. No transmission from more than one tire pressure 
sensor or more than one tire pressure sensor 
fault Warning indicator flashes for 72 seconds and is then permanently 
illuminated. The flash sequence repeats after ignition on cycle. 'TYRE 
PRESSURE SYSTEM FAULT' message displayed. CAN (controller area network) signals missing 
Warning indicator flashes for 72 seconds and is then permanently 
illuminated. The flash sequence repeats after ignition on cycle. 'TYRE 
PRESSURE SYSTEM FAULT' message displayed. Vehicle enters high speed mode (only available in 
certain markets) Warning indicator illuminated. 'TYRE PRESSURE LOW FOR SPEED' message displayed.  
Page 447 of 3039

 
Wheels and Tires - Wheels and Tires 
Diagnosis and Testing 
 
Principle of Operation Published: 11-May-2011 
 
For a detailed description of the wheels and tires, refer to the relevant Description and Operation section in the workshop 
manual. REFER to: (204-04 Wheels and Tires) 
 
Wheels and Tires (Description and Operation),  Wheels and Tires (Description and Operation),  Wheels and Tires (Description and Operation).  
Inspection and Verification 
 
 
CAUTION: Diagnosis by substitution from a donor vehicle is NOT acceptable. Substitution of control modules does not 
guarantee confirmation of a fault, and may also cause additional faults in the vehicle being tested and/or the donor vehicle. 
 
1. Verify the customer complaint. As much information as possible should be gathered from the driver to assist in 
diagnosing the cause(s). Confirm which of the following two warning types (A or B) exist for the Tire Pressure 
Monitoring System when the ignition status is switched from 'OFF' to 'ON' 
(A) Check Tire Pressure Warnings. A low tire pressure warning will continuously illuminate the low tire 
pressure warning lamp. This warning may be accompanied by a text message such as CHECK TIRE PRESSURE 
(refer to owner literature). The manufacturer approved diagnostic system does NOT need to be used. Diagnostic 
Trouble Codes (DTCs) are not generated with this type of warning. To extinguish this warning it is essential that, 
with the ignition 'ON', all vehicle tires (including the spare) are to be set to the correct pressure as stated in the 
vehicle handbook or as indicated on the placard label in the passenger/driver door aperture. It is not necessary 
to drive the vehicle to clear 'check tire pressure' warnings - just changing the tire pressure causes the tire 
low pressure sensor to transmit new data. 
NOTES: 
 
The tire pressures should be set by: 
Using a calibrated tire pressure gauge 
With 'cold' tires (vehicle parked in the ambient temperature for at least one hour, not in a garage with an 
artificial ambient temperature) 
 
If the tire pressure warning does not clear within two minutes, it is likely that the gauge is not correctly 
calibrated or the tires are 'warm'. Carry out the following steps until the warning has cleared: 
 
Increase the tire pressures by 3psi 
Wait a further two minutes 
When the tires are at ambient temperature and a calibrated gauge is available, reset the tire pressures 
to the correct pressure. 
 
Tire pressure adjustments are part of routine owner maintenance. Tire pressure adjustments that are 
required due to a lack of owner maintenance are not to be claimed under vehicle warranty. 
 
(B) System Fault Warnings. When a system fault is detected, the low tire pressure warning lamp will flash for 
approximately 75 seconds prior to being continuously illuminated. Visually inspect for obvious signs of damage 
and system integrity. Check for the presence of tire low pressure sensors on all four wheels (note: a tire low 
pressure sensor has a metal valve stem rather than a rubber one). 
2. Check for Diagnostic Trouble Codes (DTCs) and refer to the DTC Index. 
 
NOTE: If the tester fails to communicate with the Tire Pressure Monitoring System module, the following actions are 
recommended: 
 
Remove the Tire Pressure Monitoring System power supply fuse, inspect and re-install (if intact). Test to see if 
communications have been re-established. 
 
Remove the Tire Pressure Monitoring System ignition fuse (if applicable), inspect and re-install (if intact). Test to see if 
communications have been re-established. 
With ignition status set to 'ON', refer to the electrical circuit diagrams and check Tire Pressure Monitoring System 
module for power, ignition and ground supplies . 
Carry out CAN network integrity test using the manufacturer approved diagnostic system. 
 
DTC Index 
 
 
CAUTION: When probing connectors to take measurements in the course of the pinpoint tests, use the adaptor kit, part 
number 3548-1358-00  
Page 448 of 3039

NOTES: 
 
 
If the control module or a component is suspect and the vehicle remains under manufacturer warranty, refer to the 
Warranty Policy and Procedures manual (section B1.2), or determine if any prior approval programme is in operation, prior to 
the installation of a new module/component. 
 
 
Generic scan tools may not read the codes listed, or may read only five digit codes. If this is the case, match the five 
digits from the scan tool to the first five digits of the seven digit code listed to identify the fault (the last two digits give extra 
information read by the manufacturer-approved diagnostic system). 
 
 
When performing voltage or resistance tests, always use a digital multimeter (DMM) accurate to three decimal places, 
and with an up-to-date calibration certificate. When testing resistance, always take the resistance of the DMM leads into 
account. 
 
 
Check and rectify basic faults before beginning diagnostic routines involving pinpoint tests. 
 
 
If DTCs are recorded and, after performing the pinpoint tests, a fault is not present, an intermittent concern may be the 
cause. Always check for loose connections and corroded terminals. 
 
DTC Description Possible Cause Action C1A56-31 
Left Front Tire Pressure 
Sensor and Transmitter 
Assembly-no signal  
Missing, incompatible or 
defective tire low pressure 
sensor or radio frequency 
receiver GO to Pinpoint Test F. C1A56-68 
Left Front Tire Pressure 
Sensor and Transmitter 
Assembly-event information  
Information only - vehicle 
exposed to extreme 
temperature environment 
and/or tire low pressure 
sensor low battery voltage 
event No action required. C1A56-91 
Left Front Tire Pressure 
Sensor and Transmitter 
Assembly-parametric  
Tire low pressure sensor 
has reported out of range 
information for pressure, 
temperature or acceleration Replace defective tire low pressure sensor. Refer to 
the relevant section of the workshop manual. C1A56-93 
Left Front Tire Pressure 
Sensor and Transmitter 
Assembly-no operation  
No tire low pressure sensor 
can be localized at this 
position due to an initiator 
or tire low pressure sensor 
malfunction GO to Pinpoint Test G. C1A57-11 
Left Front Initiator-circuit 
short to ground  
Left front initiator circuit is 
short to ground GO to Pinpoint Test B. Refer to Pinpoint test B1 C1A57-12 
Left Front Initiator-circuit 
short to battery  
Left front initiator circuit is 
short to power GO to Pinpoint Test B. Go to Pinpoint test B2 C1A57-13 
Left Front Initiator-circuit 
open  
Left front initiator circuit 
open GO to Pinpoint Test B. Go to Pinpoint test B9 C1A58-31 
Right Front Tire Pressure 
Sensor and Transmitter 
Assembly-no signal  
Missing, incompatible or 
defective tire low pressure 
sensor or radio frequency 
receiver GO to Pinpoint Test F. C1A58-68 
Right Front Tire Pressure 
Sensor and Transmitter 
Assembly-event information  
Information only - vehicle 
exposed to extreme 
temperature environment 
and/or tire low pressure 
sensor low battery voltage 
event No action required.  
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DTC Description Possible Cause Action C1A62-91 
Right Rear Tire Pressure 
Sensor and Transmitter 
Assembly-parametric  
Tire low pressure sensor 
has reported out of range 
information for pressure, 
temperature or acceleration Replace defective tire low pressure sensor, refer to 
the relevant section of the workshop manual. C1A62-93 
Right Rear Tire Pressure 
Sensor and Transmitter 
Assembly-no operation  
No tire low pressure sensor 
can be localized at this 
position due to an initiator 
or tire low pressure sensor 
malfunction GO to Pinpoint Test G. C1A63-11 
Right Rear Initiator-circuit 
short to ground  
Right rear initiator circuit 
short to ground GO to Pinpoint Test E. Go to Pinpoint test E1 C1A63-12 
Right Rear Initiator-circuit 
short to battery  
Right rear initiator circuit 
short to power GO to Pinpoint Test E. Go to Pinpoint test E2 C1A63-13 
Right Rear Initiator-circuit 
open  
Right rear initiator circuit 
open GO to Pinpoint Test E. Go to Pinpoint test E9 C1A64-68 
Spare Wheel Tire Pressure 
Sensor and Transmitter 
Assembly-event information  
Information only - vehicle 
exposed to extreme 
temperature environment 
and/or tire low pressure 
sensor low battery voltage 
event No action required. C1A64-91 
Spare Wheel Tire Pressure 
Sensor and Transmitter 
Assembly-parametric  
Tire low pressure sensor 
has reported out of range 
information for pressure, 
temperature or acceleration Replace defective tire low pressure sensor, refer to 
the relevant section of the workshop manual. C1A64-93 
Spare Wheel Tire Pressure 
Sensor and Transmitter 
Assembly-no operation  
Missing, incompatible or 
defective tire low pressure 
sensor or radio frequency 
receiver GO to Pinpoint Test H. C1D19-11 
External Receiver Data 
Line-circuit short to ground  
Tire pressure monitoring 
system radio frequency 
receiver or data line circuit 
is short to ground GO to Pinpoint Test A. C1D19-12 
External Receiver Data 
Line-circuit short to battery  
Tire pressure monitoring 
system radio frequency 
receiver or data line circuit 
is short to power GO to Pinpoint Test I. C1D19-87 
External Receiver Data 
Line-missing message  
Radio Frequency reception 
blocked 
Tire pressure monitoring 
system radio frequency 
receiver faulty 
Tire pressure monitoring 
system radio frequency 
receiver or data line 
circuits open circuit 
Missing, incompatible or 
defective tire low pressure 
sensors GO to Pinpoint Test J. U0010-88 
Medium Speed CAN 
Communication Bus-bus off  
CAN bus fault Carry out CAN network integrity tests. Refer to the 
electrical wiring diagrams and check CAN network for 
short, open circuit. U0140-00 
Lost communication with 
body control module-no sub 
type information  
CAN bus fault 
Central Junction Box fault Refer to the electrical wiring diagrams and check 
Central Junction Box power and ground supplies for 
short, open circuit. Carry out CAN network integrity 
tests.  
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DTC Description Possible Cause Action U0142-00 
Lost Communication With 
Body Control Module "B" 
-no sub type information  
CAN bus fault 
Auxiliary Junction Box fault Refer to the electrical wiring diagrams and check 
Auxiliary Junction Box power and ground supplies for 
short, open circuit. Carry out CAN network integrity 
tests. U0155-00 
Lost Communications With 
Instrument Panel Cluster 
(IPC) Control Module-no 
sub type information  
CAN bus fault 
Instrument cluster fault Refer to the electrical wiring diagrams and check 
instrument cluster power and ground supplies for 
short, open circuit. Carry out CAN network integrity 
tests. U0164-00 
Lost Communication With 
HVAC Control Module-no 
sub type information  
CAN bus fault 
Climate control module 
fault Refer to the electrical wiring diagrams and check 
climate control module power and ground supplies for 
short, open circuit. Carry out CAN network integrity 
tests. U0300-00 
Internal Control Module 
Software Incompatibility-no 
sub type information  
Incompatible tire pressure 
monitoring system module 
for vehicle CAN network Check correct tire pressure monitoring system module 
is installed to vehicle specification, otherwise  
suspect the Auxiliary Junction Box. U0415-00 
Invalid Data Received From 
Anti-Lock Brake System 
(ABS) Control Module-no 
subtype information  
Invalid data received from 
the Anti-Lock Braking 
System Control Module 
CAN bus fault 
Anti-Lock Braking System 
fault Check Anti-Lock Braking System control module and 
Instrument Cluster for related DTCs and refer to the 
relevant DTC Index. Carry out CAN network integrity 
tests. U0424-00 
Invalid Data Received From 
HVAC Control Module-no 
sub type information  
HVAC control module fault Check climate control module for related DTCs and 
refer to relevant DTC Index. U1A14-49 
CAN Initialisation Failure- 
internal electronic failure  
Tire pressure monitoring 
system module fault Install a new tire pressure monitoring module. Refer 
to the new module/component installation note at 
the top of the DTC Index. U3000-55 
Control Module-not 
configured  
Tire pressure monitoring 
system configuration data 
is invalid Check and amend the car configuration file. U3000-87 
Control Module-missing 
message  
Tire pressure monitoring 
system configuration data 
not received Check the Auxiliary Junction Box for related DTCs and 
refer to the relevant DTC Index. Carry out CAN 
network integrity test. U3002-81 
Vehicle Identification 
Number - invalid serial data 
received  
Tire pressure monitoring 
system module and vehicle 
VIN mis-match  
NOTE: This DTC indicates that the tire pressure 
monitoring system module is not the original part 
installed to the vehicle at the factory/dealer and 
could have been substituted. Refer to the note above 
the DTC index about replacing components which may 
remain under manufacturer warranty. 
 
Re-install the original or a new tire pressure monitoring system control module.  
Component Tests 
 
Wheels and Tires 
 
For wheel and tire specification information (pressures, torques, etc). 
 
When replacing wheels or tires, local legislation regarding health and safety must be complied with. 
 
If the vehicle has a Tire Pressure Monitoring System installed, only Jaguar approved wheels and tires should be used. If the 
wheel and tire size is changed (for example from R18 to R20) the Tire Pressure Monitoring System module should be updated 
with the correct pressure information appropriate to the new wheel and tire set. Update the Tire Pressure Monitoring System 
module using the Jaguar approved diagnostic system. 
As a general guideline, only replace tires in pairs or as a set, and only with tires of equivalent size and specification. 
Confirm the symptoms of the customer complaint. 
As much information as possible should be gathered from the driver to assist in diagnosing the cause(s). 
 
1. Before a road test, carry out a basic inspection to make sure the vehicle is safe and legal to drive. 
 
Basic inspection 
 
Correct tire inflation 
Legal tire tread depth  
Page 452 of 3039

TEST CONDITIONS DETAILS/RESULTS/ACTIONS A1: C1D1911 VERIFY EXTERNAL RECEIVER DATA LINE CIRCUIT SHORT TO GROUND  1 Ignition off.  2 Disconnect the Tire Pressure Monitoring System Receiver electrical connector, C3MC45.  3 Measure the resistance between  C3MC45, harness side Battery Pin 1 Negative terminal  Is the resistance less than 5 Ohms? 
Yes 
GO to A2.GO to A2. No 
GO to A3.GO to A3. A2: C1D1911 CHECK THE EXTERNAL RECEIVER DATA LINE CIRCUIT FOR SHORT CIRCUIT TO GROUND  1 Disconnect the Tire Pressure Monitoring System Control Module electrical connector, C3MC39B.  2 Measure the resistance between  C3MC45, harness side Battery Pin 1 Negative terminal  Is the resistance less than 5 Ohms? 
Yes 
REPAIR the short circuit in wiring harness. 
No 
GO to A4.GO to A4. A3: C1D1911 CHECK THE TIRE PRESSURE MONITORING SYSTEM EXTERNAL RECEIVER FOR SHORT CIRCUIT TO 
GROUND  1 Reconnect the Tire Pressure Monitoring System Receiver electrical connector, C3MC45.  2 Using manufacturer approved diagnostic system run On Demand Self Test (0x0202).  Is the DTC C1D1911 set? 
Yes 
Replace Tire Pressure Monitoring Receiver. 
No 
Investigate possible cause of intermittent failure. A4: C1D1911 CHECK THE TIRE PRESSURE MONITORING SYSTEM CONTROL MODULE FOR SHORT CIRCUIT TO 
GROUND  1 Reconnect the Tire Pressure Monitoring System Control Module electrical connector, C3MC39B.  2 Reconnect the Tire Pressure Monitoring System Receiver electrical connector, C3MC45.  
Page 453 of 3039

 3 Using manufacturer approved diagnostic system run On Demand Self Test (0x0202).  Is the DTC C1D1911 set? 
Yes 
Replace Tire Pressure Monitoring System Control Module. 
No 
Investigate possible cause of intermittent failure.  
PINPOINT TEST B : LEFT FRONT LOW FREQUENCY INITIATOR CIRCUIT TEST CONDITIONS DETAILS/RESULTS/ACTIONS B1: CHECK THE INITIATOR CIRCUIT FOR SHORT CIRCUIT TO GROUND  1 Ignition off.  2 Disconnect the left hand front low-frequency initiator electrical connector, C1MC40.      3 Measure the resistance between:  C1MC40, harness side Battery Pin 2 Negative terminal  Is the resistance less than 10,000 ohms? 
Yes 
GO to B5. No 
GO to B2. B2: CHECK THE INITIATOR CIRCUIT FOR SHORT CIRCUIT TO POWER  1 Measure the resistance between:  C1MC40, harness side Battery Pin 2 Positive terminal  Is the resistance less than 10,000 ohms? 
Yes 
GO to B6. No 
GO to B3. B3: CHECK THE INITIATOR CIRCUIT FOR SHORT CIRCUIT TO GROUND  1 Measure the resistance between:  C1MC40, harness side Battery Pin 1 Negative terminal  Is the resistance less than 10,000 ohms? 
Yes 
GO to B7. No 
GO to B4. B4: CHECK THE INITIATOR CIRCUIT FOR SHORT CIRCUIT TO POWER  1 Measure the resistance between:  C1MC40, harness side Battery Pin 1 Positive terminal  Is the resistance less than 10,000 ohms? 
Yes 
GO to B8. No 
GO to B9. B5: CHECK WHETHER THE SHORT CIRCUIT IS IN THE HARNESS OR THE MODULE