Diagnostic Procedure

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-I

Turn ignition switch ON.
Connect CONSULT-III and select "DATA MONITOR" mode.
Select "LOAD SIGNAL" and check indication under the following conditions.

REAR WINDOW DEFOGGER SWITCH SPECIFICATION

CONDITION	INDICATION
Rear window defogger switch: ON	ON
Rear window defogger switch: OFF	OFF

OK or NG

OK: GO TO 2.

NG: GO TO 4.

CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-II

Check "LOAD SIGNAL" indication under the following conditions.

LIGHTING SWITCH SPECIFICATION

CONDITION	INDICATION
Lighting switch: ON at 2nd position	ON
Lighting switch: OFF	OFF

OK or NG

OK: GO TO 3.

NG: GO TO 5.

CHECK HEATER FAN SIGNAL CIRCUIT OVERALL FUNCTION

Select "HEATER FAN SW" and check indication under the following conditions.

HEATER FAN SPECIFICATION

CONDITION	INDICATION
Heater fan control switch: ON	ON
Heater fan control switch: OFF	OFF

OK or NG

OK: INSPECTION END

NG: GO TO 6.

CHECK REAR WINDOW DEFOGGER SYSTEM
Refer to "REAR WINDOW DEFOGGER ."

>> INSPECTION END
CHECK HEADLAMP SYSTEM
Refer to "HEADLAMP (FOR USA) " or "HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM - ."

>> INSPECTION END
CHECK HEATER FAN CONTROL SYSTEM
Refer to "TROUBLE DIAGNOSIS ."

>> INSPECTION END