PINPOINT TEST C : All Dimmable Non-Networked Illumination Is Always On
- C1 CHECK THE PARKING LAMP OPERATION
- Ignition OFF.
- Wait 1 minute and observe the parking lamps.
Are the parking lamps illuminated?
Yes Refer to article 'Exterior Lighting', Go to Pinpoint Test U . No GO to C2. - C2 CHECK THE BCM DIMMABLE BACKLIGHTING OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE
- Disconnect: BCM C2280B.
- Ignition ON.
Do the dimmable backlighted components continue to illuminate?
Yes REPAIR the circuit. No GO to C3. - C3 CHECK FOR CORRECT BCM OPERATION
- Disconnect and inspect all BCM connectors.
- Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary
- Reconnect the BCM connectors. Make sure they seat and latch correctly.
- Operate the system and determine if the concern is still present.
Is the concern still present?
Yes CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new BCM. REFER to Multifunction Electronic Modules or REFER to Multifunction Electronic Modules . No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
NOTE:
Make sure the headlamp switch is in the off position.