Diesel Data: Automotive Repair

Heated Glass Element Relay: Testing and Inspection








WINDSHIELD / WINDOWGLASS: DEFOGGER RELAY:

ON-VEHICLE INSPECTION





1. CHECK DEFOGGER (DEF) RELAY
(a) Remove the instrument panel lower (Removal).
(b) Measure the voltage.
Standard voltage:





If the result is not as specified, the driver side junction block may have a malfunction.