CAUTION:
All SRS electrical wiring harnesses are covered with
yellow outer insulation.
Before disconnecting the SRS wire harness, install
the short connector on the airbag (see page 23-323). Replace the entire affected SRS harness assembly
if it has an open circuit or damaged wiring.
SRS MAIN WIRE HARNESS
DEFOGGER SWITCH
Removal, page 23-273
Test, page 23-275
REAR WINDOW DEFOGGER
Function Test, page 23-288
UNDER-DASH FUSE BOX
INTEGRATED
CONTROL UNIT
DEFOGGER
RELAY
ENGINE COMPARTMENT FUSE/RELAY BOX
Description Function:
The rear window defogger is controlled by the integrated control unit.
When the defogger switch in the combination switch is pushed, it sends a signal to the defogger timer in the integrated
contro
l
unit and the defogger stays on for 25 minutes or until the ignition swi\
tch is switched off.
The indicator light in the switch shows when the defogger is on.
Rear Window Defogger
Component
Location Index
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Troubleshooting
NOTE:
The numbers in the table show the troubleshooting sequence.
Before troubleshooting.
Check the No. 5 (10A) fuse in the under-dash fuse box, and the No. 29 (50A), No. 45 (20A) fuses in the under-
hood fuse/relay box.
Check that the horns sound.
Check the tachometer for proper operation.ProCarManuals.com
