Chime Always On
- Perform
BCM DIAGNOSTIC SYSTEM CHECK in BODY CONTROL MODULES - INTRIGUE article. Go to next step.
- Connect scan tool to DLC and check for PCM Diagnostic Trouble Codes (DTCs). If DTCs are set in PCM memory, go to appropriate DTC repair procedure in SELF-DIAGNOSTICS - GASOLINE - EXCEPT METRO, PRIZM & TRACKER article in ENGINE PERFORMANCE. If DTCs are not present, go to next step.
- Select BCM DATA DISPLAY INPUTS and monitor PARK BRAKE SWITCH input signal status. Apply and release parking brake. If PARK BRAKE SWITCH status is off with parking brake released, go to step 7
. If PARK BRAKE SWITCH status is on with parking brake released, go to next step.
- Turn ignition off and remove scan tool from vehicle. Disconnect BCM connector C-1. Release parking brake. Connect test light between BCM connector C-1 terminal D5 (Orange/Black wire) and battery positive voltage. See Fig 1
. See WIRING DIAGRAMS
. If test light is off, go to step 7
. If test light is on, go to next step.
- With test light connected, disconnect parking brake switch connector. Switch is located on parking brake assembly. If test light is off, go to step 8
. If test light is on, go to next step.
- With test light connected, disconnect Daytime Running Lights (DRL) module connector C-2. DRL module is located below the left side of instrument panel, left of steering column. If test light is off, go to step 9
. If test light is on, go to step 10
.
- Disconnect scan tool from DLC. Turn ignition off. Reconnect all disconnected components and connectors. Apply parking brake and close all vehicle doors. Start engine. Firmly depress brake pedal. Shift vehicle into Drive, noting chime operation. Release parking brake, noting chime operation. Shift vehicle into Park and turn engine off. If chime sounded with parking brake on and vehicle in drive, and turned off when parking brake was released, go to step 11
. If chime sounded with parking brake on and vehicle in drive, and when parking brake was released, go to step 12
.
- Replace parking brake switch. After repairs, go to step 13
.
- Repair short to ground in Light Blue wire between DRL module and parking brake switch. After repairs, go to step 13
.
- Repair short to ground in Orange/Black wire between DRL module and BCM. After repairs, go to step 13
.
- System is okay. Recheck operation and go to step 13
.
- Replace and reprogram BCM. See BODY CONTROL MODULES - INTRIGUE article. After repairs, go to next step.
- Turn ignition off and reconnect all disconnected components and connectors. Connect scan tool to DLC and check for BCM DTCs. If BCM DTCs are present, go to appropriate DTC diagnosis and repair procedure in BODY CONTROL MODULES - INTRIGUE article. If no IPC DTCs are present, system is okay.
Courtesy of GENERAL MOTORS CORP.