Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT 1

Turn ignition switch OFF.
Disconnect push-button ignition switch connector.
Disconnect IPDM E/R connector.

Check continuity between push-button ignition switch harness connector and IPDM E/R harness connector.

CONTINUITY REFERENCE CHART

Push-button ignition switch		IPDM E/R		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M101	4	E10	28	Existed

Check continuity between push-button ignition switch harness connector and ground.

CONTINUITY REFERENCE CHART

Push-button ignition switch		Ground	Continuity
Connector	Terminal
M101	4		Not existed

Is the inspection result normal?

YES: Go to 2.

NO: Repair harness or connector.

CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT 2

Disconnect BCM connector.

Check continuity between push-button ignition switch harness connector and BCM harness connector.

CONTINUITY REFERENCE CHART

Push-button ignition switch		BCM		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M101	4	M124	76	Existed

Check continuity between push-button ignition switch harness connector and ground.

CONTINUITY REFERENCE CHART

Push-button ignition switch		Ground	Continuity
Connector	Terminal
M101	4		Not existed

Is the inspection result normal?

YES: Go to 3.

NO: Repair harness or connector.

REPLACE BCM
1. Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
3. Perform DTC CONFIRMATION PROCEDURE for B261A. Refer to "DTC LOGIC ".
  Is DTC B261A detected again?
  
  YES: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION ".
  
  NO: INSPECTION END