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 BCM INPUT SIGNAL
Connect CONSULT-III and check the BCM input signals. Refer to "COMPONENT FUNCTION CHECK " (Door switch) and "COMPONENT FUNCTION CHECK " (Trunk lamp switch and truck release solenoid).

Are the inspection results normal?

YES: GO TO 2

NO: GO TO 3
CHECK COMBINATION METER INPUT SIGNAL
1. Select "METER/M&A" on CONSULT-III.
2. Monitor "DOOR W/L" and "TRUNK/GLAS-H" of "DATA MONITOR" while opening and closing doors and trunk.
"DOOR W/L"

Door open: ON

Door closed: OFF

"TRUNK/GLAS-H"

Trunk open: ON

Trunk closed: OFF

Is the inspection result normal?

YES: Replace combination meter. Refer to "REMOVAL AND INSTALLATION ".

NO: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
CHECK DOOR SWITCH SIGNAL CIRCUIT
Check the door switch signal circuit. Refer to "DIAGNOSIS PROCEDURE ".

Is the inspection result normal?

YES: GO TO 4

NO: Repair harness or connector.
CHECK DOOR SWITCH UNIT
Perform a unit check for the door switch. Refer to "COMPONENT INSPECTION ".

Is the inspection result normal?

YES: GO TO 5

NO: Replace door switch.
CHECK TRUNK LAMP SWITCH AND TRUNK RELEASE SOLENOID SIGNAL CIRCUIT
Check the trunk lamp switch and trunk release solenoid signal circuit. Refer to "DIAGNOSIS PROCEDURE ".

Is the inspection result normal?

YES: GO TO 6

NO: Repair harness or connector.
CHECK TRUNK LAMP SWITCH AND TRUNK RELEASE SOLENOID UNIT

Perform a unit check for the trunk lamp switch and trunk release solenoid. Refer to "COMPONENT INSPECTION ".

Is the inspection result normal?

YES: Replace combination meter. Refer to "REMOVAL AND INSTALLATION ".

NO: Replace trunk lamp switch and trunk release solenoid.