Nissan X-Trail 32. Instruction — part 1998
STC-42
< DTC/CIRCUIT DIAGNOSIS >
ELECTRIC POWER STEERING WARNING LAMP
ELECTRIC POWER STEERING WARNING LAMP
Component Function Check
INFOID:0000000010688433
1.
CHECK THE ILLUMINATION OF THE ELECTRIC POWER STEERING WARNING LAMP
Check that the electric power steering warning lamp turns ON when ignition switch turns ON. Then, electric
power steering warning lamp turns OFF after the engine is started.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Perform trouble diagnosis. Refer to
Diagnosis Procedure
INFOID:0000000010688434
1.
PERFORM SELF-DIAGNOSIS
With CONSULT
1.
Turn the ignition switch OFF to ON.
2.
Perform “EPS/DAST 3” self-diagnosis.
Is any DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
CHECK ELECTRIC POWER STEERING WARNING LAMP SIGNAL
With CONSULT
1.
Select “DATA MONITOR” of “EPS/DAST 3” and select “WARNING LAMP”.
2.
Check that the item in “DATA MONITOR” is “On”.
3.
Start the engine.
CAUTION:
Never drive the vehicle.
4.
Check that the item in “DATA MONITOR” is “Off”.
Is the inspection result normal?
YES
>> Perform the trouble diagnosis for combination meter power supply circuit. Refer to
"COMBINATION METER : Diagnosis Procedure"
.
NO
>> Replace steering column assembly. Refer to
ST-13, "Removal and Installation"
.
ELECTRIC POWER STEERING WARNING LAMP DOES NOT TURN ON
STC-43
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
ELECTRIC POWER STEERING WARNING LAMP DOES NOT TURN ON
Description
INFOID:0000000010688435
Electric power steering warning lamp does not turn ON when turning ignition switch ON from OFF. (Check the
illumination of the electric power steering warning lamp.)
Diagnosis Procedure
INFOID:0000000010688436
1.
CHECK ELECTRIC POWER STEERING WARNING LAMP
Perform the trouble diagnosis of electric power steering warning lamp. Refer to
.
Is the inspection result normal?
YES
>> Check that there is no malfunction in each harness connector pin terminal or disconnection.
NO
>> Repair or replace the specific malfunctioning part.
STC-44
< SYMPTOM DIAGNOSIS >
ELECTRIC POWER STEERING WARNING LAMP DOES NOT TURN OFF
ELECTRIC POWER STEERING WARNING LAMP DOES NOT TURN OFF
Description
INFOID:0000000010688437
Electric power steering warning lamp does not turn OFF several seconds after engine started.
Diagnosis Procedure
INFOID:0000000010688438
1.
PERFORM SELF-DIAGNOSIS
With CONSULT
1.
Turn the ignition switch OFF to ON.
2.
Perform “EPS/DAST 3” self-diagnosis.
Is any DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
CHECK ELECTRIC POWER STEERING WARNING LAMP
Perform the trouble diagnosis of electric power steering warning lamp. Refer to
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the specific malfunctioning part.
3.
CHECK EPS CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
Perform the trouble diagnosis of EPS control unit power supply and ground. Refer to
Is the inspection result normal?
YES
>> Check that there is no malfunction in each harness connector pin terminal or disconnection.
NO
>> Repair or replace the specific malfunctioning part.
STEERING WHEEL TURNING FORCE IS HEAVY OR LIGHT
STC-45
< SYMPTOM DIAGNOSIS >
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STEERING WHEEL TURNING FORCE IS HEAVY OR LIGHT
Description
INFOID:0000000010688439
Steering wheel turning force is heavy or light.
Diagnosis Procedure
INFOID:0000000010688440
1.
PERFORM SELF-DIAGNOSIS
With CONSULT
1.
Turn the ignition switch OFF to ON.
2.
Perform “EPS/DAST 3” self-diagnosis.
Is any DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
CHECK THE ILLUMINATION OF THE ELECTRIC POWER STEERING WARNING LAMP
Check that the electric power steering warning lamp turns ON when ignition switch turns ON. Then, electric
power steering warning lamp turns OFF after the engine is started.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Perform trouble diagnosis of electric power steering warning lamp. Refer to
.
3.
CHECK EPS CONTROL UNIT SIGNAL (1)
With CONSULT
1.
Start the engine.
CAUTION:
Never drive the vehicle.
2.
Select “ASSIST LEVEL” in “DATA MONITOR” in “EPS/DAST 3”.
Dose the item in “DATA MONITOR” indicate “100%”?
YES
>> GO TO 6.
NO
>> GO TO 4.
4.
CHECK EPS CONTROL UNIT SIGNAL (2)
With CONSULT
Select “BATTERY VOLT” in “DATA MONITOR” in “EPS/DAST 3”.
Dose the item in “DATA MONITOR” indicate “10.5 V” or more?
YES
>> GO TO 5.
NO
>> Perform trouble diagnosis of EPS control unit power supply and ground. Refer to
.
5.
CHECK EPS CONTROL UNIT SIGNAL (3)
With CONSULT
1.
Select “ASSIST LEVEL” in “DATA MONITOR” in “EPS/DAST 3”.
2.
Stop the EPS system until the item in “DATA MONITOR” becomes “100%”.
NOTE:
While stopping the EPS system, do not turn steering wheel.
3.
Check that the symptom continues.
Dose the symptom continue?
YES
>> GO TO 6.
NO
>> The assist torque decreases because of protection function. This is not malfunction. INSPEC-
TION END
6.
CHECK EPS CONTROL UNIT SIGNAL (4)
With CONSULT
1.
Start the engine.
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