Pinpoint Test Q: The Parking, Rear Or License Plate Lamps Are On Continuously
- Q1 CHECK THE HEADLAMP SWITCH
- Disconnect: Headlamp Switch C205a.
- Do the parking lamps continue to illuminate?
Yes : If equipped with autolamps, GO to Q2.
If not equipped with autolamps, GO to Q3.
No : INSTALL a new headlamp switch. REFER to HEADLAMP SWITCH . TEST the system for normal operation.
- Q2 CHECK THE VEHICLE SECURITY MODULE
- Disconnect: Vehicle Security Module 2113b.
- Do the parking lamps continue to illuminate?
Yes : GO to Q3.
No : GO to Q6.
- Q3 CHECK CIRCUIT 14 (BN) FOR A SHORT TO VOLTAGE
- Disconnect: CJB C270b.
- Do the rear parking lamps continue to illuminate?
Yes : REPAIR the circuit. TEST the system for normal operation.
No : GO to Q4.
- Q4 CHECK CIRCUIT 14 (BN) FOR A SHORT TO VOLTAGE (SIGNAL MIRROR MARKER)
- Disconnect: CJB C270J.
- Do the signal mirror marker lamps continue to illuminate?
Yes : REPAIR the circuit. TEST the system for normal operation.
No : GO to Q5.
- Q5 CHECK CIRCUIT 14 (BN) FOR A SHORT TO VOLTAGE (FRONT LAMP CIRCUIT)
- Disconnect: CJB C270h.
- Do the front parking lamps continue to illuminate?
Yes : REPAIR the circuit. TEST the system for normal operation.
No : INSTALL a new CJB. TEST the system for normal operation.
- Q6 CHECK FOR CORRECT VEHICLE SECURITY MODULE OPERATION
- Disconnect all the vehicle security module connectors.
- Check for:
- corrosion
- pushed-out pins
- Connect all the vehicle security module connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
Yes : INSTALL a new vehicle security module. REFER to MULTIFUNCTION ELECTRONIC MODULES . TEST the system for normal operation.
No : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.