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 KEY SLOT POWER SUPPLY CIRCUIT

Turn ignition switch OFF.
Disconnect key slot connector.

Check voltage between slot connector and ground.

VOLTAGE REFERENCE CHART

Key slot		Ground	Voltage (V) (Approx.)
Connector	Terminal	Ground	Voltage (V) (Approx.)
M40	1	Ground	Battery voltage
M40	5	Ground	Battery voltage

Fig 1: Checking Voltage Between Slot Connector And Ground

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

Is the inspection result normal?

YES: GO TO 2

NO: Repair or replace key slot power supply circuit.

CHECK KEY SLOT GROUND CIRCUIT

Check continuity between key slot connector and ground.

CONTINUITY REFERENCE CHART

Key slot		Ground	Continuity
Connector	Terminal	Ground	Continuity
M40	7	Ground	Yes

Fig 2: Checking Continuity Between Key Slot Connector And Ground

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

Is the inspection result normal?

YES: GO TO 3

NO: Repair or replace key slot ground circuit.

CHECK INTERMITTENT INCIDENT
Refer to "INTERMITTENT INCIDENT ".

Inspection End.