Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2002 Chrysler Intrepid (CANADA) V6-2.7LFACTORY OEM SERVICE PROCEDURE
Rear Window Defogger Inoperative (MTC)
Test 1 - 3:
Test 4 - 8:
Test 9 - 11:
SYMPTOM
REAR WINDOW DEFOGGER INOPERATIVE MANUAL AIR CONDITIONING
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+) shorted to ground
- Fused B+ circuit open
- Control head - rear defogger switch
- Body control module - rear defogger relay control open
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.