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.
2004 Isuzu Ascender 2WD L6-4.2LFACTORY OEM SERVICE PROCEDURE
Door Control Module System
Circuit Operation
The driver door module is supplied power at all times through Fuse 10 DDM and Circuit Breaker 2 LT DOORS.
The driver door module is supplied power at all times through Fuse 12 PDM and Circuit Breaker 1 RT DOORS.
The driver and passenger door modules control various functions such as power-window, power-mirror, power-lock and power-seat controls. See corresponding system cell for circuit operation.
The driver door module is supplied power at all times through Fuse 10 DDM and Circuit Breaker 2 LT DOORS.
The driver door module is supplied power at all times through Fuse 12 PDM and Circuit Breaker 1 RT DOORS.
The driver and passenger door modules control various functions such as power-window, power-mirror, power-lock and power-seat controls. See corresponding system cell for circuit operation.
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.
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