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Page 110
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Test 9 - 11

SYMPTOM

REAR WINDOW DEFOGGER INOPERATIVE WITH ATC

POSSIBLE CAUSES

-

Rear defog operates OK

-

Defogger grid ground circuit open

-

Rear window defogger grid open

-

Rear window defogger relay-open

-

Rear defogger relay output circuit open

-

Rear window defogger relay control circuit open

-

Rear window defogger relay output shorted to ground

-

Fused B+ circuit open

-

Fused B+ shorted to ground

-

Body control module - rear defogger relay control open

-

ATC head-rear defog switch

Rear Window Defogger Inoperative (MTC)

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