Inspection Between Differential Lock Control Unit and Driver Seat Control Unit Circuit

WARNING: This page is about a different car, the 2006 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HARNESS FOR OPEN CIRCUIT

Turn ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect differential lock control unit connector and harness connector B37.

Check continuity between differential lock control unit harness connector (A) and harness connector (B).

Fig 1: Checking Continuity Between Differential Lock Control Unit Harness Connector (A) And Harness Connector (B)

Courtesy of NISSAN MOTOR CO., U.S.A.

CONTINUITY REFERENCE

A		B		Continuity
Connector	Terminal	Connector	Terminal	Continuity
B77	5	B37	15	Yes
B77	4	B37	14	Yes

OK or NG

OK: Connect all the connectors and diagnose again. Refer to "TROUBLE DIAGNOSES WORK FLOW ".

NG: Repair harness.