Nissan Frontier. Manual - part 350

DLN-302

< WIRING DIAGRAM >

[REAR FINAL DRIVE: M226 (ELD) ]

REAR FINAL DRIVE

ABDIA0463GB

DIFF LOCK INDICATOR LAMP INOPERATIVE

DLN-303

< SYMPTOM DIAGNOSIS >

[REAR FINAL DRIVE: M226 (ELD) ]

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SYMPTOM DIAGNOSIS

DIFF LOCK INDICATOR LAMP INOPERATIVE

Inspection Procedure

INFOID:0000000009479861

SYMPTOM:

DIFF LOCK indicator lamp does not turn ON for approx. 1 second when turning ignition switch to

“ON”.

DIAGNOSTIC PROCEDURE

1.

PERFORM DIFFERENTIAL LOCK CONTROL UNIT SELF DIAGNOSIS

Perform self-diagnosis. Refer to 

DLN-273, "DIFFERENTIAL LOCK CONTROL UNIT : CONSULT Function

(DIFF LOCK)"

.

Were any DTC’s displayed?

YES

>>  Refer to 

DLN-297, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK DIFFERENTIAL LOCK CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT 

Check the differential lock control unit for proper power and ground. Refer to 

DLN-276, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector. 

3.

CHECK DIFF LOCK INDICATOR LAMP POWER SUPPLY

Check power supply to the combination meter (DIFF LOCK indicator lamp). Refer to 

MWI-31, "COMBINATION

METER : Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connectors.

4.

CHECK DIFF LOCK INDICATOR LAMP CONTROL

Check the DIFF LOCK indicator lamp control circuit. Refer to 

DLN-294, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace the differential lock control unit. Refer to 

DLN-311, "Removal and Installation"

.

NO

>> Repair malfunctioning component. 

DLN-304

< SYMPTOM DIAGNOSIS >

[REAR FINAL DRIVE: M226 (ELD) ]

DIFF LOCK INDICATOR LAMP DOES NOT TURN ON WITH DIFFERENTIAL 

LOCK SWITCHED ON

DIFF LOCK INDICATOR LAMP DOES NOT TURN ON WITH DIFFEREN-
TIAL LOCK SWITCHED ON

Inspection Procedure

INFOID:0000000009479862

SYMPTOM:

DIFF LOCK indicator lamp does not turn ON when turning differential lock mode switch to “ON” after

engine start.

DIAGNOSTIC PROCEDURE

1.

CHECK DIFF LOCK INDICATOR LAMP

Confirm the DIFF LOCK indicator lamp proves out when ignition switch is turned ON.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Refer to 

DLN-303, "Inspection Procedure"

.

2.

CHECK SELF-DIAGNOSTIC RESULTS

Perform self-diagnosis. Refer to 

DLN-273, "DIFFERENTIAL LOCK CONTROL UNIT : CONSULT Function

(DIFF LOCK)"

.

Is any DTC detected by self-diagnosis?

YES

>> Check the malfunctioning system. Refer to 

DLN-297, "DTC Index"

.

NO

>> GO TO 3.

3.

CHECK DIFFERENTIAL LOCK MODE SWITCH OPERATION

Check differential lock mode switch. Refer to 

DLN-283, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair component, harness or connector.

4.

CHECK DIFFERENTIAL LOCK CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT

Check differential lock control unit power supply and ground circuit. Refer to 

DLN-276, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace the differential lock control unit. Refer to 

DLN-311, "Removal and Installation"

.

NO

>> Repair harness or connector.

DIFF LOCK INDICATOR LAMP FLASHES WHILE DRIVING

DLN-305

< SYMPTOM DIAGNOSIS >

[REAR FINAL DRIVE: M226 (ELD) ]

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DIFF LOCK INDICATOR LAMP FLASHES WHILE DRIVING

Description

INFOID:0000000009479863

The DIFF LOCK indicator lamp will flash once every 2 seconds when the differential lock system is in standby

condition. Standby condition is the time between when the differential lock mode switch is turned ON and

when the differential lock control unit see’s all conditions are met to engage the differential lock. The DIFF

LOCK indicator lamp should be OFF if there has been a malfunction detected. For more information regarding

the differential lock system operation, refer to the Owner’s Manual. 

Inspection Procedure

INFOID:0000000009479864

SYMPTOM:

DIFF LOCK indicator lamp sometimes flashes while driving.

DIAGNOSTIC PROCEDURE

1.

CHECK SELF-DIAGNOSTIC RESULTS

Perform self-diagnosis. Refer to 

DLN-273, "DIFFERENTIAL LOCK CONTROL UNIT : CONSULT Function

(DIFF LOCK)"

.

Is any malfunction detected by self-diagnosis?

YES

>> Check the malfunctioning system. Refer to 

DLN-297, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK DIFFERENTIAL LOCK MODE SWITCH

Perform trouble diagnosis for differential lock mode switch. Refer to 

DLN-281, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Condition is intermittent. Refer to 

GI-42, "Intermittent Incident"

.

NO

>> Repair or replace malfunctioning component.