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.
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HOMESERVICE MANUALSISUZU2006ASCENDER S, 5.3 M, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 452 (POWER DOOR LOCK SYSTEM AND RELEASE SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESPOWER DOOR LOCKS INOPERATIVECIRCUIT/SYSTEM VERIFICATION
2006 Isuzu Ascender S, 5.3 M, 4WD
Circuit/System Verification
2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Circuit/System Verification
WARNING: This page is about a different car, the 2008 Pontiac Torrent and 2008 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, observe the scan tool Driver Door Lock Sw, Psgr Door Lock Sw, Driver Door Unlock Sw and Psgr Door Unlock Sw parameters while using the appropriate door lock switch. The parameter should change between Inactive and Active.
- If the parameter does not change between commanded states, refer to Door Lock Switch Malfunction .
- Command the door latches to LOCK and UNLOCK with the scan tool, the doors should LOCK and UNLOCK.
- If a door latch does not LOCK or UNOCK, refer to Door Lock Malfunction .
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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.