Diagnosis Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL

Turn ignition switch OFF.
Disconnect push-button ignition switch.
Check voltage between push-button ignition switch harness connector and ground.

VOLTAGE SPECIFICATION

Terminals			Voltage (V)
(+)		(-)
Push-button ignition switch		Ground
Connector	Terminal
M38	8		Battery voltage

Fig 1: Checking Voltage Between Push-Button Ignition Switch Harness Connector And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal?

YES: GO TO 2

NO: Check the following.

10A fuse [No. 9, located in fuse block (J/B)]
Harness for open or short between push-button ignition switch and fuse.

CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT

Disconnect BCM and push-button ignition switch.

Check continuity between BCM harness connector and pushbutton ignition switch harness connector.

CONTINUITY SPECIFICATION

Indicator	BCM Connector	Terminal	Push-button ignition switch connector	Terminal	Continuity
LOCK	M18 (A)	42	M38 (D)	5	Yes
ACC	M17 (B)	15		6
ON	M19 (C)	81		7

Fig 2: Checking Continuity Between BCM Harness Connector And Pushbutton Ignition Switch Harness Connector

Courtesy of NISSAN MOTOR CO., U.S.A.

Check continuity between BCM harness connector and ground.

CONTINUITY SPECIFICATION

Indicator	BCM connector	Terminal	Ground	Continuity
LOCK	M18 (A)	42		No
ACC	M17 (B)	15
ON	M19 (C)	81

Fig 3: Checking Continuity Between BCM Harness Connector And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal?

YES: GO TO 3

NO: Repair or replace harness.

CHECK PUSH-BUTTON IGNITION SWITCH
Refer to "COMPONENT INSPECTION ".

Is the inspection result normal?

YES: GO TO 4

NO: Replace push-button ignition switch. Refer to "REMOVAL AND INSTALLATION ".
CHECK INTERMITTENT INCIDENT

Refer to "INTERMITTENT INCIDENT ".

Inspection End.