Nissan Murano: Dtc/circuit Diagnosis / B26f1 Ign Relay Off

DTC Description

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors

  (Ignition relay circuit is open)

• BCM

• IPDM E/R

FAIL-SAFE

Inhibit engine cranking.

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

1. Ignition switch ON under the following conditions, and wait for 2 seconds or more:

   • CVT selector lever is in the P (park) or N (neutral) position.

   • Do not depress brake pedal.

2. Select “Self Diagnostic Result” mode of “BCM”.

3. Check DTC.

Is DTC detected?

Refer to DTC Diagnosis Procedure.

Inspection End.

CHECK SELF DIAGNOSTIC RESULT FOR IPDM E/R

CONSULT

1. Select “Self Diagnostic Result” mode of “IPDM E/R”.

2. Erase DTCs.

3. Ignition switch OFF.

4. Ignition switch ON.

5. Select “Self Diagnostic Result” mode of “IPDM E/R”.

Are any DTCs detected?

Refer to DTC Index.

GO TO 2.

CHECK IGNITION RELAY (IPDM E/R) CONTROL SIGNAL

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

GO TO 3.

Replace BCM. Refer to Removal and Installation.

CHECK IGNITION RELAY (IPDM E/R) CONTROL SIGNAL CIRCUIT

1. Ignition switch OFF.

2. Disconnect BCM connector and IPDM E/R connector E119.

3. Check continuity between BCM harness connector and IPDM E/R harness connector.

   BCM		IPDM E/R		Continuity
   Connector	Terminal	Connector	Terminal
   M19	70	E119	43	Yes

Is the inspection result normal?

Replace IPDM E/R. Refer to Removal and Installation.

Repair or replace harness or connectors.