Diagnosis Procedure

CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-I

Turn ignition switch ON.
Check "LOAD SIGNAL" in "DATA MONITOR" mode with CONSULT under the following conditions.

Condition	LOAD SIGNAL
Lighting switch: ON at 2nd position	ON
Lighting switch: OFF	OFF

OK or NG

OK: GO TO 2.

NG: GO TO 4.

CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-II

Check "LOAD SIGNAL" in "DATA MONITOR" mode with CONSULT under the following conditions.

Condition	LOAD SIGNAL
Rear window defogger switch: ON	ON
Rear window defogger switch: OFF	OFF

OK or NG

OK: GO TO 3.

NG: GO TO 5.

CHECK HEATER FAN SIGNAL CIRCUIT OVERALL FUNCTION

Check "HEATER FAN SW" in "DATA MONITOR" mode with CONSULT under the following conditions.

Condition	HEATER FAN SW
Heater fan control switch: ON	ON
Heater fan control switch: OFF	OFF

OK or NG

OK: INSPECTION END .

NG: GO TO 6.

CHECK HEADLAMP SYSTEM
Refer to HEADLAMP (FOR USA) or HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM - .

INSPECTION END
CHECK REAR WINDOW DEFOGGER SYSTEM
Refer to REAR WINDOW DEFOGGER .

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

INSPECTION END