2010 NISSAN LATIO warning lights

CAN COMMUNICATION SYSTEMLAN-27
< SERVICE INFORMATION > [CAN]
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CAN Communication Signal ChartINFOID:0000000005395135
Refer to LAN-16, "How to Use CAN Communication Signal Chart" for how to use CAN communication signal
chart.
NOTE:
Refer to LAN-22, "
Abbreviation List" for the abbreviations of the connecting units.
T: Transmit R: Receive
Signal name/Connecting unitECM
BCM
EPS
I-KEY M&A
STRG ABS
TCM
*1
TCM
*2
IPDM-E
A/C compressor request signal T R
Accelerator pedal position signal T
R
*3RR
ASCD CRUISE lamp signal T R
ASCD SET lamp signal T R
Closed throttle position signal T R R
Cooling fan motor operation signal T R
Engine coolant temperature signal TR
Engine speed signal TR
R
*3R
Engine status signal T R R R
Fuel consumption monitor signal T R
Malfunction indicator lamp signal TR
Wide open throttle position signal T R R
A/C switch signal R T
Blower fan motor switch signal R T
Buzzer output signal TR
TR
Day time running light request signal
*4TR
Door lock/unlock status signal TR
Door switch signal TR R R
Front wiper request signal T R
High beam request signal TR R
Horn chirp signal T R
Ignition switch signal T R
Low beam request signal T R
Position lights request signal TR R
Rear window defogger switch signal T R
Sleep/wake up signal TRR
R
RT
Theft warning horn request signal T R
Tire pressure signal
*5TR
Trunk open/close status signal TR
Turn indicator signal TR
EPS operation signal TR
EPS warning lamp signal TR
Door lock/unlock/trunk open request signal RT
Hazard request signal RT
Ignition knob switch signal RT
Revision: January 20102010 Versa

SRS-28
< SYMPTOM DIAGNOSIS >
TROUBLE DIAGNOSIS
NOTE:
Follow the procedures in numerical order when performing repairs. Confirm whether the repair has been suc-
cessful using air bag warning lamp or CONSULT-III after each repair. If malfunction is still observed, proceed
to the next step. When malfunction has been elimi nated, further repair work is not required.
Trouble Diagnosis without CONSULT-IIIINFOID:0000000005396911
DIAGNOSTIC PROCEDURE 6
Inspect SRS Malfunction Using "AIR BAG" Warning Lamp—Diagnosis Mode
NOTE:
SRS will not enter Diagnosis mode if no malfunction is detected in User mode.
1. Turn ignition switch ON.
2. After “AIR BAG” warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.
3. Wait more than 3 seconds.
4. Repeat steps 1 to 3 two times.
5. Turn ignition switch ON.
SRS is now in Diagnosis mode.
"AIR BAG" warning lamp operates in Diagnosis mode according to the Warning Lamp Flash Code Chart:
OCCUPANT SENS C/U [COMM FAIL]
[B1022] Communication between the occupant classification system
control unit and air bag diagnosis sensor unit is interrupted.
1. Visually check the wiring harness
connection.
2. Replace the harness if it has visi- ble damage.
3. Replace RH front seat cushion/ occupant classification system
control unit assembly.
4. Replace the air bag diagnosis sensor unit.
5. Replace the related harness.
OCCUPANT SENS [UNIT FAIL][B1018] Occupant classification sensor is malfunctioning.
1. Replace RH front seat cushion/
occupant classification system
control unit assembly.
BELT TENSION SENS [UNIT FAIL]
[B1019] Belt tension sensor is malfunctioning.
1. Visually check the wiring harness
connection.
2. Replace the harness if it has visi- ble damage.
3. Replace RH front seat belt as-
sembly.
4. Replace RH front seat cushion/ occupant classification system
control unit assembly.
PASS A/B INDCTR CKT [B1023] Front passenger air bag off indicator is malfunctioning. 1. Visually check the wiring harness
connection.
2. Replace the harness if it has visi-
ble damage.
3. Replace front passenger air bag off indicator.
4. Replace the air bag diagnosis sensor unit.
5. Replace the related harness.
FRONTAL COLLISION DETECTION[B1209] Driver and front passenger air bag modules are deployed. Refer to
SRS-48
.
SIDE COLLISION DETECTION
[B1210] Side or curtain air bag modules are deployed.
Diagnostic item
Explanation Repair order
Recheck SRS at each replacement
Revision: January 20102010 Versa

STEERING WHEEL TURNING FORCE IS HEAVY OR LIGHTSTC-27
< SYMPTOM DIAGNOSIS > [EPS]
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STEERING WHEEL TURNING FO RCE IS HEAVY OR LIGHT
DescriptionINFOID:0000000005600199
Steering wheel turning force is heavy or light.
Diagnosis ProcedureINFOID:0000000005600200
1.CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check that the EPS warning lamp turns ON when igni tion switch turns ON. Then, EPS warning lamp turns
OFF after the engine is started.
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 2.
2.PERFORM SELF-DIAGNOSIS
With CONSULT-III
1. Turn the ignition switch OFF to ON.
2. Perform EPS control unit self-diagnosis.
Is any DTC detected?
YES >> Check the DTC. Refer to STC-24, "DTC Index".
NO >> GO TO 3.
3.CHECK EPS CONTROL UNIT SIGNAL
With CONSULT-III
1. Start the engine. CAUTION:
Stop the vehicle.
2. Turn steering wheel from full left stop to full right stop.
3. Select “TORQUE SENSOR” of “DATA MONITOR” for EPS control unit.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK EPS MOTOR
Perform the trouble diagnosis of EPS motor. Refer to STC-13, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace the specific malfunctioning part.
5.CHECK STEERING WH EEL TURNING FORCE
Check the steering wheel turning force. Refer to PS-6, "
On-Vehicle Inspection and Service".
Is the inspection result normal?
YES >> Inspection End
NO >> Check the steering wheel turning force for mechanical malfunction. Refer to PS-6, "
On-Vehicle
Inspection and Service".
Monitor item ConditionDisplay value
TORQUE SENSOR Steering wheel: Not steer-
ing (There is no steering
force)
Approx. 0 Nm
Steering wheel: Right turn Positive value (Nm)
Steering wheel: Left turn Negative value (Nm)
Revision: January 20102010 Versa