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• When Monitored: • Set Condition: Possible Causes (Q321) DRIVER WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO GROUND (Q311) DRIVER WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO GROUND (Q321) DRIVER WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORTED TO THE (Q311) DRIVER WINDOW WINDOW MOTOR SHORTED DRIVER DOOR MODULE (DDM) Diagnostic Test 1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase DTC’s Try to operate the Driver Window up and down several times. Wait 30 seconds. With the scan tool, read DTC’s. Does the scan tool display B1854–DRIVER WINDOW MOTOR CONTROL CIRCUIT LOW? Yes >> Go To 2 No >> The conditions that caused this code to set are not present at this time. Using the wiring diagram/sche- matic as a guide, inspect the wiring and connectors. Perform BODY VERIFICATION TEST - VER 1. (Refer to BODY VERIFICATION TEST – VER 1). 2. WINDOW MOTOR SHORTED With the scan tool, erase DTC’s. Turn the ignition off. Disconnect the Driver Window Motor connector. Turn the ignition on. Operate the driver window switch up and down several times. With the scan tool, read DTC’s. Does the scan tool display B1854–DRIVER WINDOW MOTOR No >> Replace the Window Motor. Perform BODY VERIFICATION TEST - VER 1. (Refer to Yes >> Go To 3 8N - 234 POWER WINDOWS - ELECTRICAL DIAGNOSTICS LX |