If resistance is 2 ohms or more, go to step 10. If resistance is less than 2 ohms, go to next step. Turn wiper portion of multifunction switch to MIST, LO and HI positions. Measure resistance between multifunction switch pigtail harness connector C201 terminals E3 (Dark Green wire) and E9 (Yellow wire) - (component side). If problem does not exist, go to next step. After repair, go to step 13.Ĭheck for open, high resistance or short to ground in Dark Green wire between front wiper motor and multifunction switch.
After repair, go to step 13.Ĭheck for open, high resistance or short to ground in Gray wire between front wiper motor and multifunction switch. Check for open, high resistance or short to ground in Purple wire between front wiper motor and multifunction switch. Disconnect front wiper motor 6-pin harness connector. Harness connector C201 is located to left side of steering column, near base. Disconnect multifunction switch 48-pin harness connector C201. See DIAGNOSING INTERMITTENTS in BODY CONTROL MODULES - MONTANA, SILHOUETTE & VENTURE article. If front wipers operate normally in all modes, diagnose intermittent condition. If front wipers do not operate normally in all modes, go to next step. Turn multifunction switch through all switch positions. If description and operation has not been reviewed, go to DESCRIPTION & OPERATION. If description and operation has been reviewed, go to next step. TEST C: FRONT WIPERS INOPERATIVE IN ONE OR MORE MODES See BODY CONTROL MODULE under REMOVAL & INSTALLATION. If connectors and terminal contact is not okay, repair as necessary.
If connectors and terminal contact are okay, go to next step. After repair, go to step 13.Ĭheck BCM harness connectors for damage and intermittent or poor terminal contact. If Tan wire is not okay, repair as necessary. After repair, go to step 13.Ĭheck for short to ground in Tan wire between BCM harness connector C1 terminal "A" and driver's door lock actuator harness connector C2 terminal "A". If circuit(s) are not okay, repair as necessary. After repair, go to step 13.Ĭheck for short to ground in suspect door lock actuator lock control circuit. After repair, go to step 13.Ĭheck for short to ground in suspect door lock actuator unlock control circuits.
If any circuit is not okay, repair as necessary. After repair, go to step 13.Ĭheck for an open in suspect door lock actuator control circuits (Tan or Gray wires) between BCM and door lock actuators and/or door lock switches. After repair, go to step 13.Ĭheck for short to ground in suspect door lock actuator lock control circuits. If Orange wire is not okay, repair as necessary. After repair, go to step 13.Ĭheck for an open in Orange wire between PWR LOCK fuse and BCM harness connector C1 terminal "H". If fuse is okay, go to step 5.Ĭheck for short to ground in Orange wire between PWR LOCK fuse and BCM harness connector C1 terminal "H". Go to DIAGNOSING INTERMITTENTS in BODY CONTROL MODULES - MONTANA, SILHOUETTE & VENTURE article.Ĭheck PWR LOCK fuse (20-amp) in instrument panel fuse block, located behind right side instrument panel endcap. Check for intermittent and poor connections. If power door lock system operates properly, fault may be intermittent. Verify power door locks inoperative fault exists (all doors and switches). If door systems diagnostic system check has not been performed, go to DOORS DIAGNOSTIC SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM. If door systems diagnostic system check has been performed, go to next step. TEST A: POWER DOOR LOCKS INOPERATIVE (ALL DOORS & SWITCHES)
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