Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

CHECK STARTER RELAY

Turn ignition switch ON.

Check voltage between BCM harness connector and ground under the following condition.

BCM		Ground	Condition	Voltage (V)
Connector	Terminal	Ground	Condition	Voltage (V)
M19	62	Ground	Ignition switch cranking	0
			Ignition switch ON (Park or Neutral)	Battery voltage
			Other than above	0

Is the measurement value within the specification.

YES

GO TO STEP 3 .

GO TO STEP 2 .

CHECK STARTER RELAY CIRCUIT

Turn ignition switch OFF.
Disconnect BCM harness connector and IPDM E/R harness connector.

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

IPDM E/R		BCM		Continuity
Connector	Terminal	Connector	Terminal	Continuity
E119	33	M19	62	Yes

Check continuity between IPDM E/R harness connector and ground.

IPDM E/R		Ground	Continuity
Connector	Terminal	Ground	Continuity
E119	33	Ground	No

Is the inspection result normal?

YES

Replace BCM. Refer to REMOVAL AND INSTALLATION .

Repair harness or connector.

CHECK INTERMITTENT INCIDENT

Refer to INTERMITTENT INCIDENT .

Inspection End.