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Nissan Armada 2025-2026 Service and Repair Manual: Differential Lock Indicator Lamp Does Not Turn on

Description

Differential lock indicator lamp does not turn ON when turning differential lock mode switch to “ON” after engine start.

Diagnosis Procedure

CHECK SELF-DIAGNOSTIC RESULTS

With CONSULT

Perform self-diagnosis for “DIFFERENTIAL LOCK”.

Is any DTC detected by self-diagnosis?

YES>>

Check the malfunctioning system. Refer to DTC Index.

NO>>

GO TO 2.

CHECK DIFFERENTIAL LOCK MODE SWITCH OPERATION

Check differential lock mode switch circuit. Refer to Diagnosis Procedure.

Is the inspection result normal?

YES >>

GO TO 3.

NO>>

Repair or replace the error-detected parts.

CHECK DIFFERENTIAL LOCK CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT

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

Is the inspection result normal?

YES>>

Replace the differential lock control unit. Refer to Removal and Installation.

NO>>

Repair or replace the error-detected parts.

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