Check Rear Window Defogger Switch Circuit

With CONSULT-III 

Check ("REAR DEF SW", "IGN ON SW") in DATA MONITOR mode with CONSULT-III.

When rear window defogger switch is turned to ON 

REAR DEF SW : ON 

When ignition switch is turned to ON 

IGN ON SW : ON 

OK or NG 

OK: Rear window defogger switch is OK.

NG: GO TO  2.

Check AV line. Refer to DIAGNOSIS PROCEDURE (with navigation system), DIAGNOSIS PROCEDURE (without navigation system).

OK or NG 

OK: Check the condition of harness and connector.

NG: The diagnosis is continued.