Diagnosis Procedure

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

CHECK SELF DIAGNOSTIC RESULT FOR IPDM E/R
CONSULT
1. Select "Self Diagnostic Result" mode of "IPDM E/R".
2. Erase DTCs.
3. Turn the push-button ignition switch OFF.
4. Turn the push-button ignition switch ON.
5. Select "Self Diagnostic Result" mode of "IPDM E/R".
6. Check DTC.
Are any DTCs detected?

YES

Refer to DTC Index .

NO

GO TO 2.

CHECK IGNITION RELAY-1 SIGNAL

Check voltage between BCM connector and ground.

BCM		Ground	Condition	Voltage (Approx.)
Connector	Terminal
M19	70	--	Ignition: OFF	Battery voltage
			Ignition: ON	0V

Is the inspection result normal?

YES

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

GO TO 3.

CHECK IGNITION RELAY-1 SIGNAL POWER SUPPLY

Check voltage between IPDM E/R connector and ground.

IPDM E/R		Ground	Condition	Voltage (Approx.)
Connector	Terminal
E119	43	--	Ignition: OFF	Battery voltage
			Ignition: ON	0V

Is the inspection result normal?

YES

GO TO 4.

GO TO 5.

CHECK IGNITION RELAY-1 SIGNAL CIRCUIT CONTINUITY

Turn the push-button ignition switch OFF.
Disconnect BCM connector M19 and IPDM E/R connector E119.

Check continuity between BCM connector and ground.

BCM		Ground	Continuity
Connector	Terminal
M19	70	--	No

Is the inspection result normal?

YES

Replace BCM. Refer to Removal and Installation .

Repair or replace harness or connectors.

CHECK IGNITION RELAY-1 SIGNAL POWER SUPPLY CIRCUIT CONTINUITY

Turn push-button ignition switch OFF.
Disconnect BCM connector M19 and IPDM E/R connector E119.

Check continuity between IPDM E/R connector and ground.

IPDM E/R		Ground	Continuity
Connector	Terminal
E119	43	--	No

Is the inspection result normal?

YES

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

Repair or replace harness or connectors.