Gasoline engine models

WARNING: This page is about a different car, the 2020 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HOOD SWITCH SIGNAL

Turn ignition switch OFF.
Check voltage between hood switch harness connector and ground.

(+)		(-)	Condition	Voltage
Hood switch
Connector	Terminal
E192	1	Ground	Close the hood	9 - 16 V
			Open the hood	0 - 1 V
	2		Close the hood	0 - 1 V
			Open the hood	9 - 16 V

Is the inspection result normal?

YES

GO TO 5.

GO TO 2.

CHECK HOOD SWITCH SIGNAL CIRCUIT

Disconnect IPDM E/R connector and hood switch connector.

Check continuity between IPDM E/R harness connector and hood switch harness connector.

IPDM E/R		Hood switch		Continuity
Connector	Terminal	Connector	Terminal
E126	96	E192	1	Existed
	94		2

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

IPDM E/R		Ground	Continuity
Connector	Terminal
E126	94		Not existed
	96

Is the inspection result normal?

YES

GO TO 3.

Repair or replace harness.

CHECK HOOD SWITCH GROUND CIRCUIT

Check continuity between hood switch harness connector and ground.

Hood switch		Ground	Continuity
Connector	Terminal
E192	3		Existed

Is the inspection result normal?

YES

GO TO 4.

Repair or replace harness.

CHECK HOOD SWITCH
Refer to Component Inspection .

Is the inspection result normal?

YES

Replace IPDM E/R. Refer to IPDM E/R : Removal & Installation .

NO

Replace hood lock assembly. Refer to HOOD LOCK : Removal & Installation .
CHECK INTERMITTENT INCIDENT
Refer to Inspection .

INSPECTION END