ERROR SUBARU TRIBECA 2009 1.G Service Service Manual

TPM(diag)-26
List of Diagnostic Trouble Code (DTC)
TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)
10.List of Diagnostic Trouble Code (DTC)
A: LIST
DTC Item Contents of diagnosis Remarks
11 FL air pressure decrease FL tire pressure is reduced.
<Ref. to TPM(diag)-28, DTC 11 FL AIR PRES-
SURE DECREASE, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
12 FR air pressure decrease FR tire pressure is reduced.
<Ref. to TPM(diag)-28, DTC 12 FR AIR
PRESSURE DECREASE, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
13 RR air pressure decrease RR tire pressure is reduced.
<Ref. to TPM(diag)-28, DTC 13 RR AIR
PRESSURE DECREASE, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
14 RL air pressure decrease RL tire pressure is reduced.
<Ref. to TPM(diag)-28, DTC 14 RL AIR PRES-
SURE DECREASE, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
21 No FL transmitter dataData cannot be received from FL
sensor.
<Ref. to TPM(diag)-29, DTC 21 NO FL
TRANSMITTER DATA, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
22 No FR transmitter dataData cannot be received from FR
sensor.
<Ref. to TPM(diag)-29, DTC 22 NO FR
TRANSMITTER DATA, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
23 No RR transmitter dataData cannot be received from RR
sensor.
<Ref. to TPM(diag)-29, DTC 23 NO RR
TRANSMITTER DATA, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
24 No RL transmitter dataData cannot be received from RL
sensor.
<Ref. to TPM(diag)-29, DTC 24 NO RL
TRANSMITTER DATA, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
31 FL transmit pres data abnormal.FL sensor data contents are
abnormal.
<Ref. to TPM(diag)-30, DTC 31 FL TRANS-
MIT PRES DATA ABNORMAL, Diagnostic Pro-
cedure with Diagnostic Trouble Code (DTC).>
32FR transmitter pres data abnor-
mal.
FR sensor data contents are
abnormal.
<Ref. to TPM(diag)-30, DTC 32 FR TRANS-
MIT PRES DATA ABNORMAL, Diagnostic Pro-
cedure with Diagnostic Trouble Code (DTC).>
33 RR transmit pres data abnormal.RR sensor data contents are
abnormal.
<Ref. to TPM(diag)-30, DTC 33 RR TRANS-
MIT PRES DATA ABNORMAL, Diagnostic Pro-
cedure with Diagnostic Trouble Code (DTC).>
34 RL transmit pres data abnormal.RL sensor data contents are
abnormal.
<Ref. to TPM(diag)-31, DTC 34 RL TRANS-
MIT PRES DATA ABNORMAL, Diagnostic Pro-
cedure with Diagnostic Trouble Code (DTC).>
41 FL trans function code abnormal. Function code has error.
<Ref. to TPM(diag)-32, DTC 41 FL TRANS
FUNCTION CODE ABNORMAL, Diagnostic
Procedure with Diagnostic Trouble Code
(DTC).>
42 FR trans function code abnormal. Function code has error.
<Ref. to TPM(diag)-32, DTC 42 FR TRANS
FUNCTION CODE ABNORMAL, Diagnostic
Procedure with Diagnostic Trouble Code
(DTC).>
43 RR trans function code abnormal. Function code has error.
<Ref. to TPM(diag)-32, DTC 43 RR TRANS
FUNCTION CODE ABNORMAL, Diagnostic
Procedure with Diagnostic Trouble Code
(DTC).>
44 RL trans function code abnormal. Function code has error.
<Ref. to TPM(diag)-32, DTC 44 RL TRANS
FUNCTION CODE ABNORMAL, Diagnostic
Procedure with Diagnostic Trouble Code
(DTC).>

EN(H6DO)(diag)-36
Inspection Mode
ENGINE (DIAGNOSTICS)
P0340 Camshaft Position Sensor “A” Circuit (Bank 1 or Single Sensor) —
P0345 Camshaft Position Sensor “A” Circuit (Bank 2) —
P0447 Evaporative Emission Control System Vent Control Circuit Open —
P0448 Evaporative Emission Control System Vent Control Circuit Shorted —
P0452 Evaporative Emission Control System Pressure Sensor Low Input —
P0453 Evaporative Emission Control System Pressure Sensor High Input —
P0458 Evaporative Emission Control System Purge Control Valve Circuit Low —
P0462 Fuel Level Sensor Circuit Low Input —
P0463 Fuel Level Sensor Circuit High Input —
P0500 Vehicle Speed Sensor—
P0512 Starter Request Circuit—
P0513 Incorrect Immobilizer Key —
P0519 Idle Control System Malfunction (Fail-Safe) —
P0600 Serial Communication Link —
P0604 Internal Control Module Random Access Memory (RAM) Error —
P0605 Internal Control Module Read Only Memory (ROM) Error —
P0607 Control Module Performance —
P0638 Throttle Actuator Control Range/Performance (Bank 1) —
P0691 Cooling Fan 1 Control Circuit Low —
P0692 Cooling Fan 1 Control Circuit High —
P0700 Transmission Control System (MIL Request) —
P1152 O2 Sensor Circuit Range/Performance (Low) (Bank 1 Sensor 1) —
P1153 O2 Sensor Circuit Range/Performance (High) (Bank 1 Sensor 1) —
P1154 O2 Sensor Circuit Range/Performance (Low) (Bank 2 Sensor 1) —
P1155 O2 Sensor Circuit Range/Performance (High) (Bank 2 Sensor 1) —
P1160 Return Spring Failure—
P1518 Starter Switch Circuit Low Input —
P1560 Back-Up Voltage Circuit Malfunction —
P1570 Antenna—
P1571 Reference Code Incompatibility —
P1572 IMM Circuit Failure (Except Antenna Circuit) —
P1574 Key Communication Failure —
P1576 EGI Control Module EEPROM —
P1577 IMM Control Module EEPROM —
P1578 Meter Failure—
P2088 OCV Solenoid Valve Signal A Circuit Open (Bank 1) —
P2089 OCV Solenoid Valve Signal A Circuit Short (Bank 1) —
P2092 OCV Solenoid Valve Signal A Circuit Open (Bank 2) —
P2093 OCV Solenoid Valve Signal A Circuit Short (Bank 2) —
P2101 Throttle Actuator Control Motor Circuit Range/Performance —
P2102 Throttle Actuator Control Motor Circuit Low —
P2109 Throttle/Pedal Position Sensor A Minimum Stop Performance —
P2122 Throttle/Pedal Position Sensor/Switch “D” Circuit Low Input —
P2123 Throttle/Pedal Position Sensor/Switch “D” Circuit High Input —
P2127 Throttle/Pedal Position Sensor/Switch “E” Circuit Low Input —
P2128 Throttle/Pedal Position Sensor/Switch “E” Circuit High Input —
P2135 Throttle/Pedal Position Sensor/Switch “A”/“B” Voltage Rationality —
P2138 Throttle/Pedal Position Sensor/Switch “D”/“E” Voltage Rationality —
P2227 Barometric Pressure Circuit Range/Performance —
P2228 Barometric Pressure Circuit Low Input —
P2229 Barometric Pressure Circuit High Input —
DTC Item On condition

EN(H6DO)(diag)-74
List of Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
P0512 Starter Request Circuit <Ref. to EN(H6DO)(diag)-298, DTC P0512 STARTER REQUEST CIRCUIT,
Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
P0519 Idle Control System Malfunction
(Fail-Safe)
<Ref. to EN(H6DO)(diag)-300, DTC P0519 IDLE CONTROL SYSTEM MAL-
FUNCTION (FAIL-SAFE), Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
P0600 Serial Communication Link <Ref. to EN(H6DO)(diag)-300, DTC P0600 SERIAL COMMUNICATION
LINK, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
P0604 Internal Control Module Random
Access Memory (RAM) Error
<Ref. to EN(H6DO)(diag)-301, DTC P0604 INTERNAL CONTROL MODULE
RANDOM ACCESS MEMORY (RAM) ERROR, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P0605 Internal Control Module Read Only
Memory (ROM) Error
<Ref. to EN(H6DO)(diag)-301, DTC P0605 INTERNAL CONTROL MODULE
READ ONLY MEMORY (ROM) ERROR, Diagnostic Procedure with Diagnos-
tic Trouble Code (DTC).>
P0607 Control Module Performance <Ref. to EN(H6DO)(diag)-302, DTC P0607 CONTROL MODULE PERFOR-
MANCE, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
P0638 Throttle Actuator Control Range/Per-
for mance (Bank 1)
<Ref. to EN(H6DO)(diag)-303, DTC P0638 THROTTLE ACTUATOR CON-
TROL RANGE/PERFORMANCE (BANK 1), Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
P0691 Cooling Fan 1 Control Circuit Low <Ref. to EN(H6DO)(diag)-303, DTC P0691 COOLING FAN 1 CONTROL
CIRCUIT LOW, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
P0692 Cooling Fan 1 Control Circuit High <Ref. to EN(H6DO)(diag)-304, DTC P0692 COOLING FAN 1 CONTROL
CIRCUIT HIGH, Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
P0700 Transmission Control System (MIL
Request)
<Ref. to EN(H6DO)(diag)-304, DTC P0700 TRANSMISSION CONTROL
SYSTEM (MIL REQUEST), Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
P1152 O2 Sensor Circuit Range/Perfor-
mance (Low) (Bank 1 Sensor 1)
<Ref. to EN(H6DO)(diag)-304, DTC P1152 O2 SENSOR CIRCUIT RANGE/
PERFORMANCE (LOW) (BANK 1 SENSOR 1), Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P1153 O2 Sensor Circuit Range/Perfor-
mance (High) (Bank 1 Sensor 1)
<Ref. to EN(H6DO)(diag)-305, DTC P1153 O2 SENSOR CIRCUIT RANGE/
PERFORMANCE (HIGH) (BANK 1 SENSOR 1), Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P1154 O2 Sensor Circuit Range/Perfor-
mance (Low) (Bank 2 Sensor 1)
<Ref. to EN(H6DO)(diag)-308, DTC P1154 O2 SENSOR CIRCUIT RANGE/
PERFORMANCE (LOW) (BANK 2 SENSOR 1), Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P1155 O2 Sensor Circuit Range/Perfor-
mance (High) (Bank 2 Sensor 1)
<Ref. to EN(H6DO)(diag)-309, DTC P1155 O2 SENSOR CIRCUIT RANGE/
PERFORMANCE (HIGH) (BANK 2 SENSOR 1), Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P1160 Return Spring Failure <Ref. to EN(H6DO)(diag)-312, DTC P1160 RETURN SPRING FAILURE,
Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
P1443 Vent Control Solenoid Valve Function
Problem
<Ref. to EN(H6DO)(diag)-313, DTC P1443 VENT CONTROL SOLENOID
VA LV E F U N C T I O N P R O B L E M , D i a g n o s t i c P r o c e d u r e w i t h D i a g n o s t i c Tr o u -
ble Code (DTC).>
P1518 Starter Switch Circuit Low Input <Ref. to EN(H6DO)(diag)-315, DTC P1518 STARTER SWITCH CIRCUIT
LOW INPUT, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
P1560 Back-Up Voltage Circuit Malfunction <Ref. to EN(H6DO)(diag)-318, DTC P1560 BACK-UP VOLTAGE CIRCUIT
MALFUNCTION, Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
P1570 Antenna <Ref. to IM (diag)-17, DTC P1570 ANTENNA, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P1571 Reference Code Incompatibility <Ref. to IM (diag)-19, DTC P1571 REFERENCE CODE INCOMPATIBILITY,
Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
P1572 IMM Circuit Failure (Except Antenna
Circuit)
<Ref. to IM (diag)-20, DTC P1572 IMM CIRCUIT FAILURE (EXCEPT
ANTENNA CIRCUIT), Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
P1574 Key Communication Failure <Ref. to IM (diag)-22, DTC P1574 KEY COMMUNICATION FAILURE, Diag-
nostic Procedure with Diagnostic Trouble Code (DTC).>
DTC Item Reference

EN(H6DO)(diag)-301
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
CX:DTC P0604 INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY
(RAM) ERROR
DTC DETECTING CONDITION:
•Immediately at fault recognition
•GENERAL DESCRIPTION <Ref. to GD(H6DO)-171, DTC P0604 INTERNAL CONTROL MODULE RAN-
DOM ACCESS MEMORY (RAM) ERROR, Diagnostic Trouble Code (DTC) Detecting Criteria.>
TROUBLE SYMPTOM:
•Engine does not start.
•Engine stalls.
CAUTION:
After repair or replacement of faulty parts, perform Clear Memory Mode <Ref. to EN(H6DO)(diag)-45,
OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H6DO)(diag)-35, PROCEDURE,
Inspection Mode.>.
CY:DTC P0605 INTERNAL CONTROL MODULE READ ONLY MEMORY (ROM)
ERROR
NOTE:
For the diagnostic procedure, refer to DTC P0607. <Ref. to EN(H6DO)(diag)-302, DTC P0607 CONTROL
MODULE PERFORMANCE, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
Step Check Yes No
1CHECK ANY OTHER DTC ON DISPLAY.Is any other DTC displayed? Check the appro-
priate DTC using
the “List of Diag-
nostic Trouble
Code (DTC)”.
<Ref. to
EN(H6DO)(diag)-
69, List of Diag-
nostic Trouble
Code (DTC).>
Te m p o r a r y p o o r
contact occurs.

GD(H6DO)-6
List of Diagnostic Trouble Code (DTC)
GENERAL DESCRIPTION
P0457 Evaporative Emission Control Sys-
tem Leak Detected (Fuel Cap
Loose/Off)
<Ref. to GD(H6DO)-146, DTC P0457 EVAPORATIVE EMISSION CON-
TROL SYSTEM LEAK DETECTED (FUEL CAP LOOSE/OFF), Diagnostic
Tr o u b l e C o d e ( D T C ) D e t e c t i n g C r i t e r i a . >
P0458 Evaporative Emission Control Sys-
tem Purge Control Valve Circuit
Low
<Ref. to GD(H6DO)-147, DTC P0458 EVAPORATIVE EMISSION CON-
TROL SYSTEM PURGE CONTROL VALVE CIRCUIT LOW, Diagnostic Trou-
ble Code (DTC) Detecting Criteria.>
P0459 Evaporative Emission Control Sys-
tem Purge Control Valve Circuit
High
<Ref. to GD(H6DO)-149, DTC P0459 EVAPORATIVE EMISSION CON-
TROL SYSTEM PURGE CONTROL VALVE CIRCUIT HIGH, Diagnostic
Tr o u b l e C o d e ( D T C ) D e t e c t i n g C r i t e r i a . >
P0461 Fuel Level Sensor Circuit Range/
Per fo r m an ce
<Ref. to GD(H6DO)-151, DTC P0461 FUEL LEVEL SENSOR CIRCUIT
RANGE/PERFORMANCE, Diagnostic Trouble Code (DTC) Detecting Crite-
ria.>
P0462 Fuel Level Sensor Circuit Low
Input
<Ref. to GD(H6DO)-153, DTC P0462 FUEL LEVEL SENSOR CIRCUIT
LOW INPUT, Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0463 Fuel Level Sensor Circuit High
Input
<Ref. to GD(H6DO)-155, DTC P0463 FUEL LEVEL SENSOR CIRCUIT
HIGH INPUT, Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0464 Fuel Level Sensor Circuit Intermit-
tent
<Ref. to GD(H6DO)-157, DTC P0464 FUEL LEVEL SENSOR CIRCUIT
INTERMITTENT, Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0483 Cooling Fan Rationality Check <Ref. to GD(H6DO)-160, DTC P0483 COOLING FAN RATIONALITY
CHECK, Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0500 Vehicle Speed Sensor <Ref. to GD(H6DO)-161, DTC P0500 VEHICLE SPEED SENSOR, Diagnos-
tic Trouble Code (DTC) Detecting Criteria.>
P0506 Idle Control System RPM Lower
Than Expected
<Ref. to GD(H6DO)-163, DTC P0506 IDLE CONTROL SYSTEM RPM
LOWER THAN EXPECTED, Diagnostic Trouble Code (DTC) Detecting Crite-
ria.>
P0507 Idle Control System RPM Higher
Than Expected
<Ref. to GD(H6DO)-165, DTC P0507 IDLE CONTROL SYSTEM RPM
HIGHER THAN EXPECTED, Diagnostic Trouble Code (DTC) Detecting Cri-
teria.>
P0512 Starter Request Circuit <Ref. to GD(H6DO)-167, DTC P0512 STARTER REQUEST CIRCUIT, Diag-
nostic Trouble Code (DTC) Detecting Criteria.>
P0513 Incorrect Immobilizer Key <Ref. to GD(H6DO)-168, DTC P0513 INCORRECT IMMOBILIZER KEY,
Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0519 Idle Control System Malfunction
(Fail-Safe)
<Ref. to GD(H6DO)-169, DTC P0519 IDLE CONTROL SYSTEM MAL-
FUNCTION (FAIL-SAFE), Diagnostic Trouble Code (DTC) Detecting Crite-
ria.>
P0600 Serial Communication Link <Ref. to GD(H6DO)-170, DTC P0600 SERIAL COMMUNICATION LINK,
Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0604 Internal Control Module Random
Access Memory (RAM) Error
<Ref. to GD(H6DO)-171, DTC P0604 INTERNAL CONTROL MODULE
RANDOM ACCESS MEMORY (RAM) ERROR, Diagnostic Trouble Code
(DTC) Detecting Criteria.>
P0605 Internal Control Module Read Only
Memory (ROM) Error
<Ref. to GD(H6DO)-172, DTC P0605 INTERNAL CONTROL MODULE
READ ONLY MEMORY (ROM) ERROR, Diagnostic Trouble Code (DTC)
Detecting Criteria.>
P0607 Control Module Performance <Ref. to GD(H6DO)-173, DTC P0607 CONTROL MODULE PERFOR-
MANCE, Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0638 Throttle Actuator Control Range/
Per fo r m an ce ( B an k 1 )
<Ref. to GD(H6DO)-176, DTC P0638 THROTTLE ACTUATOR CONTROL
RANGE/PERFORMANCE (BANK 1), Diagnostic Trouble Code (DTC)
Detecting Criteria.>
P0691 Cooling Fan 1 Control Circuit Low <Ref. to GD(H6DO)-179, DTC P0691 COOLING FAN 1 CONTROL CIRCUIT
LOW, Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0692 Cooling Fan 1 Control Circuit High <Ref. to GD(H6DO)-180, DTC P0692 COOLING FAN 1 CONTROL CIRCUIT
HIGH, Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0700 Transmission Control System (MIL
Request)
<Ref. to GD(H6DO)-181, DTC P0700 TRANSMISSION CONTROL SYSTEM
(MIL REQUEST), Diagnostic Trouble Code (DTC) Detecting Criteria.>
P1152 O2 Sensor Circuit Range/Perfor-
mance (Low) (Bank1 Sensor1)
<Ref. to GD(H6DO)-182, DTC P1152 O2 SENSOR CIRCUIT RANGE/PER-
FORMANCE (LOW) (BANK 1 SENSOR 1), Diagnostic Trouble Code (DTC)
Detecting Criteria.>
DTC Item Index

GD(H6DO)-15
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
F: DTC P0028 INTAKE VALVE CONTROL SOLENOID CIRCUIT RANGE/PER-
FORMANCE (BANK 2)
NOTE:
For diagnostic procedures, refer to DTC P0026. <Ref. to GD(H6DO)-12, DTC P0026 INTAKE VALVE CON-
TROL SOLENOID CIRCUIT RANGE/PERFORMANCE (BANK 1), Diagnostic Trouble Code (DTC) Detecting
Criteria.>
G: DTC P0030 HO2S HEATER CONTROL CIRCUIT (BANK 1 SENSOR 1)
1. OUTLINE OF DIAGNOSIS
Detect functional errors of the front oxygen (A/F) sensor heater.
Judge as NG when it is determined that the front oxygen (A/F) sensor impedance is large when looking at en-
gine status such as deceleration fuel cut.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously in 30 seconds after starting the engine.
(1) Gasket (3) Sensor housing (4) Protection tube
(2) Ceramic heater
Secondary Parameters Enable Conditions
Condition established time 30 seconds or more
Battery voltage > 10.9 V
Control duty ≥ 35% Experienced
After fuel cut 20 seconds or more
EN-02181
( 1 )( 2 )
( 3 )( 4 )

GD(H6DO)-17
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
H: DTC P0031 HO2S HEATER CONTROL CIRCUIT LOW (BANK 1 SENSOR 1)
1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of heater.
The heater performs duty control, and the output terminal voltage at ON is 0 V and the output terminal voltage
at OFF is the battery voltage.
Judge NG when the terminal voltage remains Low.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
5. DIAGNOSTIC METHOD
Abnormality Judgment
Judge NG when the continuous time until completing the malfunction criteria below becomes more than 1
second (8 cycles).
Time Needed for Diagnosis: 1 second
Malfunction Indicator Light: Illuminates as soon as a malfunction occurs.
(A) Battery voltage (C) 128 milliseconds (D) Low error
(B) Front oxygen (A/F) sensor heater
output voltage

Secondary Parameters Enable Conditions
Battery voltage≥ 10.9 V
Judgment Value
Malfunction Criteria Threshold Value
Output voltage level Low
Fr o nt ox yg en (A / F ) se ns or h ea t er co n tr o l
duty
< 87.5%
EN-01792
(C)
(A)
(B)
ON
OFF
0V(D)

GD(H6DO)-21
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
J: DTC P0037 HO2S HEATER CONTROL CIRCUIT LOW (BANK 1 SENSOR 2)
1. OUTLINE OF DIAGNOSIS
Detect the rear oxygen sensor heater open or short circuit.
The rear oxygen sensor heater performs duty control, and the output terminal voltage at ON is 0 V, and the
output terminal voltage at OFF is the battery voltage.
Judge NG when the terminal voltage remains Low.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Perform the diagnosis continuously after starting the engine.
5. DIAGNOSTIC METHOD
Abnormality Judgment
Judge NG when the continuous time until completing all the malfunction criteria below becomes more than
2560 seconds.
Time Needed for Diagnosis: 2.56 second
Malfunction Indicator Light Illumination: Illuminates when malfunctions occur in 2 continuous driving cy-
cles.
(A) Battery voltage (C) 256 milliseconds (cycles) (D) Low error
(B) Rear oxygen (A/F) sensor heater
output voltage

Secondary Parameters Enable Conditions
Battery voltage > 10.9 V
Judgment Value
Malfunction Criteria Threshold Value
Output voltage level Low
Rear oxygen sensor heater control duty < 75%
EN-01792
(C)
(A)
(B)
ON
OFF
0V(D)

GD(H6DO)-32
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
5. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time until completing the malfunction criteria below becomes more than
the predetermined time.
Time Needed for Diagnosis:
Low side: 5 seconds
High side: 10 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunctions occur in 2 continuous driving cy-
cles.
Normality Judgment
Judge as OK when the criteria below are met.
Judgment Value
Malfunction Criteria Threshold Value
Low side error
Output voltage < 1.79 V
Engine speed≥ 2200 rpm
Throttle opening angle≥ 17°
Intake manifold pressure≥ 73.3 kPa (550
mmHg, 21.7 inHg)
Engine coolant temperature≥ 75°C (167°F)
High side error (1)
Output voltage≥ 1.83 V
Engine speed 500 ←→ 850 rpm
Throttle opening angle < 3.5°
Intake manifold pressure < 46.7 kPa (350
mmHg, 13.8 inHg)
High side error (2)
Output voltage≥ 1.73 V
Engine speed 500 ←→ 850 rpm
Throttle opening angle < 3.5°
Intake manifold pressure < 46.7 kPa (350
mmHg, 13.8 inHg)
Fuel system diagnostics Rich side malfunction
Judgment Value
Malfunction Criteria Threshold Value
(Low side error)
Output voltage≥ 1.79 V
Engine speed≥ 2200 rpm
Throttle opening angle≥ 17°
Intake manifold pressure≥ 73.3 kPa (550
mmHg, 21.7 inHg)
Engine coolant temperature≥ 75°C (167°F)
(High side error)
Output voltage < 1.83 V
Engine speed 500 ←→ 850 rpm
Throttle opening angle < 3.5°
Intake manifold pressure < 46.7 kPa (350
mmHg, 13.8 inHg)
Fuel system diagnostics Rich side normal

GD(H6DO)-170
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CX:DTC P0600 SERIAL COMMUNICATION LINK
1. OUTLINE OF DIAGNOSIS
Detect malfunction of CAN communication.
When CAN communications is not possible, and CAN communications with AT is not possible, judge as NG
if data from the AT is not normal.
2. COMPONENT DESCRIPTION
ECM and TCM are connected by high speed CAN.
(Common Specifications)
CAN Protocol 2.0 B (Active)
Frame Format: 11 Bit ID Frame (Standard Frame)
(High Speed CAN)
Conforms to ISO11898
Communication Speed: 500 kbps
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Perform the diagnosis continuously after starting the engine.
5. DIAGNOSTIC METHOD
Abnormality Judgment
When either of the following conditions are established, it is judged NG.
Judge as OK and clear the NG when the continuous time when all of the following criteria are established is
more than the predetermined time (1 second).
Time Needed for Diagnosis: 1 time
Malfunction Indicator Light: Illuminates as soon as a malfunction occurs.
6. DTC CLEAR CONDITION
•When the OK idling cycle is completed 40 times in a row
•When “Clear Memory” is performed
7. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
•When the OK driving cycle is completed 3 times in a row
•When “Clear Memory” is performed
8. FAIL SAFE
None
9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
Secondary Parameters Enable Conditions
Battery voltage≥ 10.9 V
Starter switch OFF
Engine run
Judgment Value
Malfunction Criteria Threshold Value
Bus off flag or error warning flag set
ID from body integrated module is not
received.
= 500 milliseconds
Data from body integrated module is not
updated.
= 500 milliseconds