system NISSAN TIIDA 2011 Service Repair Manual

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ELECTRICAL
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CONTENTS
DRIVER INFORMATION SYSTEM
SERVICE INFORMATION .. ..........................2
PRECAUTION ................................................ .....2
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
2
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ............................... ......
2
COMBINATION METERS ...................................4
Component Parts and Harness Connector Loca-
tion ...................................................................... ......
4
System Description ...................................................4
Arrangement of Combination Meter ..........................6
Internal Circuit ...........................................................7
Wiring Diagram - METER - .......................................8
Combination Meter Harness Connector Terminal
Layout .....................................................................
10
Terminal and Reference Value for Combination
Meter .......................................................................
10
Self-Diagnosis Mode of Combination Meter ........ ....11
CONSULT-III Function (METER/M&A) ............... ....13
Trouble Diagnosis ...................................................14
Symptom Chart .......................................................15
Power Supply and Ground Circuit Inspection .........15
Vehicle Speed Signal Inspection .............................16
Engine Speed Signal Inspection .............................17
Fuel Level Sensor Signal Inspection .......................17
Fuel Gauge Fluctuates, Indicates Wrong Value, or
Varies ......................................................................
19
Fuel Gauge Does Not Move to Full-position ...........19
DTC [U1000] CAN Communication Circuit ......... ....19
Electrical Component Inspection .............................20
Removal and Installation .........................................20
WARNING LAMPS ......................................... ....21
Schematic ........................................................... ....21
Wiring Diagram - WARN - ................................... ....22
Oil Pressure Warning Lamp Stays Off (Ignition
Switch ON) .......................................................... ....
30
Oil Pressure Warning Lamp Does Not Turn Off
(Oil Pressure Is Normal) ...................................... ....
32
Component Inspection .............................................32
A/T INDICATOR ................................................34
System Description ..................................................34
Wiring Diagram - AT/IND - .......................................35
A/T Indicator Does Not Illuminate ............................36
CVT INDICATOR ...............................................38
System Description ..................................................38
Schematic ................................................................38
Wiring Diagram - CVTIND - .....................................39
CVT Indicator Does Not Illuminate ..........................41
WARNING CHIME .............................................43
Component Parts and Harness Connector Loca-
tion ....................................................................... ....
43
System Description ..................................................43
Wiring Diagram - CHIME - .......................................46
Terminal and Reference Value for BCM ..................47
CONSULT-III Function (B CM) .................................47
Trouble Diagnosis ................................................ ....48
Combination Meter Buzzer Circuit Inspection .........49
Front Door Switch LH Signal Inspection .............. ....50
Key Switch Signal Inspection (Without Intelligent
Key) ..................................................................... ....
51
Key Switch and Ignition Knob Switch Signal In-
spection (With Intelligent Key, When Mechanical
Key Is Used) ........................................................ ....
52
Lighting Switch Signal Inspection ............................54
Parking Brake Switch Signal Inspection ..................54
Electrical Component Inspection .............................55
Revision: May 2010 2011 Versa

DI-2
< SERVICE INFORMATION >
PRECAUTION
SERVICE INFORMATION
PRECAUTION
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000006412029
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and w hether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SRS inopera tive, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintent ional activation of the system. For re moval of Spiral Cable and Air Bag
Module, see the SRS section.
• Do not use electrical test equipmen t on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harn esses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electri c power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers , always switch the Ignition OFF, disconnect the
battery, and wait at least 3 minu tes before performing any service.
Precaution Necessary for Steering W heel Rotation After Battery Disconnect
INFOID:0000000006412030
NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
• Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″LOCK ″ position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery pow er is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables. NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC ″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be rotated.
4. Perform the necessary repair operation.
Revision: May 2010 2011 Versa

DI-4
< SERVICE INFORMATION >
COMBINATION METERS
COMBINATION METERS
Component Parts and Harness Connector LocationINFOID:0000000005929159
System DescriptionINFOID:0000000005929160
UNIFIED METER CONTROL UNIT
• Speedometer, odo/trip meter, tachometer and fuel gauge are controlled by the unified meter control unit,
which is built into the combination meter.
• Warning and indicator lamps are controlled by signals drawn from the CAN communication system, BCM
(body control module), and components connected directly to the combination meter.
• Odo/trip meter and A/T indicator (with A/T) or CVT i ndicator (with CVT) segments can be checked in self-
diagnosis mode.
• Meters/gauges can be checked in self-diagnosis mode.
POWER SUPPLY AND GROUND CIRCUIT
Power is supplied at all times
• through 10A fuse [No. 13, located in the fuse block (J/B)]
• to combination meter terminal 27.
With the ignition switch in the ON or START position, power is supplied
• through 10A fuse [No. 14, located in the fuse block (J/B)]
• to combination meter terminal 28.
Ground is supplied
• to combination meter terminals 21, 22 and 23
• through grounds M57 and M61.
1. Combination meter M24 2. ECM E16 3. ABS actuator and electric unit (con-
trol unit) E33
4. Fuel level sensor unit and fuel pump (fuel level sensor) B100 (view with
rear seat and inspection hole cover
removed)
(⇐: Front) 5. Vehicle speed sensor F41 (A/T
shown, M/T similar) 6. TCM E31 (view with
instrument low-
er finisher removed)
WKIA5450E
Revision: May 2010 2011 Versa

COMBINATION METERSDI-5
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SPEEDOMETER
With ABS
The ABS actuator and electric unit (control unit) provi des a vehicle speed signal to the combination meter via
CAN communication lines.
Without ABS or CVT
The vehicle speed sensor provides a vehicle speed signal to the combination meter for speedometer indica-
tion.
With CVT, Without ABS
The TCM provides a vehicle speed signal to the combination meter via CAN communication lines.
TACHOMETER
The tachometer indicates engine speed in revolutions per minute (rpm). The ECM provides an engine speed
signal to combination meter via CAN communication lines.
FUEL GAUGE
The fuel gauge indicates the approximate fuel level in the fuel tank.
The fuel gauge is regulated by the unified meter control unit and a variable resistor signal supplied
• to combination meter terminal 24
• through fuel level sensor unit and fuel pump terminal 5
• through fuel level sensor unit and fuel pump terminal 2
• from combination meter terminal 6.
ODO/TRIP METER
The vehicle speed signal and the memory signals from the meter memory circuit are processed by the combi-
nation meter and the mileage is displayed.
Loose Fuel Cap Indicator (If Equipped)
The LOOSE FUEL CAP indicator will display in the odomet er when the fuel-filler cap is not tightened correctly.
The indicator will turn off as soon as the ECM detects the fuel-filler cap is properly tightend. The ECM pro-
vides a loose fuel cap signal to the combination meter via CAN communication lines.
How to Change the Display
Refer to Owner's Manual for odo/trip meter operating instructions.
CAN COMMUNICATION SYSTEM DESCRIPTION
Refer to LAN-7 .
WKIA5370E
SKIB6904E
Revision: May 2010 2011 Versa

DI-10
< SERVICE INFORMATION >
COMBINATION METERS
Combination Meter Harness Connector Terminal Layout
INFOID:0000000005929164
Terminal and Reference Va lue for Combination MeterINFOID:0000000005929165
LKIA0698E
Te r -
mi-nal
No. Wire
color Item Condition
Reference value (V)(Approx.)
Ignition
switch Operation or condition
1LCAN-H —— —
2PCAN-L —— —
3G Vehicle speed signal output
(2-pulse) ONSpeedometer operated
[When vehicle speed is approx.
40 km/h (25 MPH)] NOTE:
Maximum voltage may be 5 V due to
specifications (connected units).
4SB Vehicle speed signal output
(8-pulse) ONSpeedometer operated
[When vehicle speed is approx.
40 km/h (25 MPH)] NOTE:
Maximum voltage may be 12 V due to
specifications (connected units).
5W Vehicle speed signal (without
ABS or CVT) ONSpeedometer operated
[When vehicle speed is approx.
20 km/h (12 MPH)] 240 Hz
6 BR Fuel level sensor signal (+) — —Refer to DI-20, "
Electrical Component
Inspection" .
8 P O/D OFF switch ONO/D OFF switch pressed
0
O/D OFF switch released Battery voltage
9 Y Seat belt buckle switch LH ON Unfastened (ON)
0
Fastened (OFF) Battery voltage
10 SB Parking Brake switch ONParking brake applied
0
Parking brake released Battery voltage
11 LG Brake fluid level switch ON Brake fluid level low
0
Brake fluid level normal Battery voltage
12 BR Illumination control switch (+) — —Refer to LT- 1 0 9 , "
System Description" .
PKIC0642E
PKIC0643E
Revision: May 2010 2011 Versa

COMBINATION METERSDI-11
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Self-Diagnosis Mode of Combination MeterINFOID:0000000005929166
SELF-DIAGNOSIS MODE FUNCTION
• Self-diagnosis can check for continuity between meter control circuit and each meter (speedometer, tachom- eter and fuel gauge).
• Self-diagnosis can check for odo/trip meter and A/T indi cator (with A/T) or CVT indicator (with CVT) seg-
ment, low-fuel level warning lamp, low water temperature indicator lamp, and high water temperature warn-
ing lamp.
OPERATION PROCEDURE
1. Turn the ignition switch ON, and switch the odo/trip meter to “trip A” or “trip B”. NOTE:
13 B Illumination control switch (-) — —Refer to LT- 1 0 9 , "System Description" .
17 G Washer fluid level switch
(Canada models)
ONWasher fluid level low
0
Washer fluid level normal Battery voltage
21 BGround —— 0
22
23
24 V Fuel level sensor ground (-) ON —0
26 B Vehicle speed sensor ground
(without ABS or CVT) ON
— 0
27 G Battery power supply OFF— Battery voltage
28 SB Ignition switch ON or START ON —Battery voltage
29 GR Seat belt buckle switch RH ON Unfastened (ON)
0
Fastened (OFF) Battery voltage
30 G Stop lamp switch ONBrake pedal depressed
Battery voltage
Brake pedal released 0
31 V A/T N-range input (with A/T) ON Transmission gear selector lever
in N position
Battery voltage
Transmission gear selector lever
other than N position 0
32 W A/T P-range input (with A/T) ON Transmission gear selector lever
in P position
Battery voltage
Transmission gear selector lever
other than P position 0
33 Y A/T PN output (with A/T) ON Transmission gear selector lever
in P or N position
0
Transmission gear selector lever
other than P or N position Battery voltage
35 BR Engine coolant temperature
signal output
ONAt idle [after warming up, approx.
80
°C (176 °F)]
NOTE:
The waveforms vary depending
on engine coolant temperature.
38 L Generator ONGenerator voltage low
0
Generator voltage no rmal Battery voltage
Te r -
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No. Wire
color Item Condition
Reference value (V)
(Approx.)
Ignition
switch Operation or condition
SKIB3651J
Revision: May 2010
2011 Versa

COMBINATION METERSDI-13
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CONSULT-III Function (METER/M&A)INFOID:0000000005929167
CONSULT-III can display each diagnostic item us ing the diagnostic test modes shown following.
SELF-DIAGNOSTIC RESULTS
Display Item List
NOTE:
“TIME” indicates the following.
• 0: Indicates that a malfunction is detected at present.
• 1-63: Indicates that a malfunction was detected in the past. (Displays number of ignition switch OFF → ON
cycles after malfunction is detected. Self-di agnostic result is erased when “63” is exceeded.)
DATA MONITOR
Display Item List
METER diagnosis mode Description
SELF-DIAG RESULTS Displays combination meter self-diagnosis results. DATA MONITOR Displays combination meter input/output data in real time.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
CONSULT-III display MalfunctionReference page
CAN COMM CIRC [U1000] Malfunction is detected in CAN communication lines.
CAUTION:
Even when there is no malfuncti
on on CAN communication system, mal-
function may be misinterpreted when battery has low voltage (when main-
taining 7 - 8 V for about 2 seconds) or 10A fuse [No. 14, located in the fuse
block (J/B)] is removed. DI-19
VEHICLE SPEED CIRC [B2205]
Malfunction is detected when an erroneous speed signal is input.
CAUTION:
Even when there is no malfunction
on speed signal system, malfunctions
may be misinterpreted when battery has low voltage (when maintaining 7
- 8 V for about 2 seconds). DI-16
Display item [Unit]
MAIN
SIGNALS SELECTION
FROM MENU Contents
SPEED METER [km/h] XXThe value of vehicle speed signa
l, which is input from ABS ac-
tuator and electric unit (control unit).
SPEED OUTPUT [km/h] XXThe value of vehicle speed signal, which is transmitted to each
unit with CAN communication.
TACHO METER [rpm] XX The value of engine speed signal, which is input from ECM.
W TEMP METER [ °C] X XThe value of engine coolant temperature signal, which is input
from ECM.
FUEL METER [lit.] XXThe value, which processes a resistance signal from fuel
gauge.
DISTANCE [km] XXThe value, which is calculated by vehicle speed signal from
ABS actuator and electric unit (control unit), fuel gauge and fuel
consumption signal from ECM.
FUEL W/L [ON/OFF] XX Indicates [ON/OFF] condition of low-fuel warning lamp.
C-ENG W/L [ON/OFF] XIndicates [ON/OFF] condition of malfunction indicator lamp
(MIL).
AIR PRES W/L X Indicates [ON/OFF] condition of low tire pressure warning lamp.
SEAT BELT W/L X Indicates [ON/OFF] condition of seat belt warning lamp.
BUZZER [ON/OFF] XX Indicates [ON/OFF] condition of buzzer.
DOOR W/L [ON/OFF] X Indicates [ON/OFF] condition of door warning lamp.
HI-BEAM IND [ON/OFF] X Indicates [ON/OFF] condition of high beam indicator lamp.
Revision: May 2010 2011 Versa

COMBINATION METERSDI-19
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5.CHECK FUEL LEVEL SENSOR UNIT
Check fuel level sensor unit. Refer to DI-20, "
Electrical Component Inspection" .
OK or NG
OK >> Check fuel level sensor unit installation, and c heck whether the float arm interferes or binds with
any of the internal components in the fuel tank. Repair or replace malfunctioning part, if neces-
sary.
NG >> Replace fuel level sensor unit.
Fuel Gauge Fluctuates, Indica tes Wrong Value, or VariesINFOID:0000000005929174
1.CHECK FUEL GAUGE FLUCTUATION
Test drive vehicle to see if gauge fluctuates onl y during driving or at the instant of stopping.
Does the indication value vary only during dr iving or at the at the instant of stopping?
YES >> The pointer fluctuation may be caused by fuel level change in the fuel tank. Condition is normal.
NO >> Ask the customer about the situation when the symptom occurs in detail, and perform the trouble diagnosis.
Fuel Gauge Does Not Move to Full-positionINFOID:0000000005929175
1.OBSERVE FUEL GAUGE
Does it take a long time for the pointer to move to FULL position?
YES or NO
YES >> GO TO 2.
NO >> GO TO 3.
2.IDENTIFY FUELING CONDITION
Was the vehicle fueled with the ignition switch ON?
YES or NO
YES >> Be sure to fuel the vehicle with the ignition swit ch OFF. Otherwise, it will take a long time to move
to FULL position because of the c haracteristic of the fuel gauge.
NO >> GO TO 3.
3.OBSERVE VEHICLE POSITION
Is the vehicle parked on an incline?
YES or NO
YES >> Check the fuel level indicati on with vehicle on a level surface.
NO >> GO TO 4.
4.OBSERVE FUEL GAUGE POINTER
During driving, does the fuel gauge pointer move gradually toward EMPTY position?
YES or NO
YES >> Check the components. Refer to DI-20, "Electrical Component Inspection" .
NO >> The float arm may interfere or bind with any of the components in the fuel tank.
DTC [U1000] CAN Communication CircuitINFOID:0000000005929176
Symptom: Display CAN COMM CIRC [U1000] at the re sult of self-diagnosis for combination meter.
1.CHECK CAN COMMUNICATION
1. Select "SELF-DIAG RESULTS" mode for "METER/M&A" with CONSULT-III.
2. Print out CONSULT-III screen.
>> Go to "CAN SYSTEM". Refer to LAN-17, "
Trouble Diagnosis Flow Chart".
Revision: May 2010 2011 Versa

DI-34
< SERVICE INFORMATION >
A/T INDICATOR
A/T INDICATOR
System DescriptionINFOID:0000000005929184
The TCM receives A/T indicator signals from the transmission range switch (R-range, D-range, 2-range and 1-
range) and the combination meter (P-range and N-range). The TCM then sends A/T position indicator signals
to the combination meter via CAN communication lines. The combination meter indicates the received shift
position.
AWMIA1175GB
Revision: May 20102011 Versa

DI-38
< SERVICE INFORMATION >
CVT INDICATOR
CVT INDICATOR
System DescriptionINFOID:0000000005929187
The TCM receives CVT indicator signals from the transmission range switch. The TCM then sends CVT posi-
tion indicator signals to the combination meter via CAN communication lines. The combination meter indicates
the received shift position.
SchematicINFOID:0000000005929188
ABNWA0597GB
Revision: May 2010 2011 Versa