Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Nissan Xterra. 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.

LOAD SIGNAL INDICATION REFERENCE CHART

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.

LOAD SIGNAL INDICATION REFERENCE CHART

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 SW INDICATION REFERENCE CHART

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 "REPAIR WORK FLOW ".

INSPECTION END
CHECK HEADLAMP SYSTEM
Refer to "WORK FLOW ".

INSPECTION END
CHECK HEATER FAN CONTROL SYSTEM
Refer to "SYMPTOM MATRIX CHART " (TYPE 1) or "SYMPTOM MATRIX CHART " (TYPE 2).

INSPECTION END