PINPOINT TEST B : A Single or More Than One Door Lock Is Inoperative
- B1 CHECK THE DOOR LATCH FOR BINDING
- Lock and unlock the inoperative door lock using the door lock rod.
Does the door lock and unlock?
Yes GO to B3. No GO to B2. - B2 CHECK THE LOCK ROD FOR BINDING
- Operate the door lock rod manually while observing the door lock rod for any binding or if the rod is bent.
Is the door lock rod bent or binding?
Yes REPAIR as necessary. No INSTALL a new door latch. REFER to Front Door Latch or Rear Door Latch . - B3 CHECK THE ALL LOCK OUTPUT CIRCUIT FOR VOLTAGE
- Ignition OFF.
- Disconnect: Inoperative Door Lock Actuator.
- While pressing the door lock control switch in the LOCK position, monitor:
Positive Lead Measurement / Action Negative Lead C525-4 Test Light Ground C609-4 Test Light Ground C705-4 Test Light Ground C805-4 Test Light Ground
Does the test light momentarily illuminate?
Yes GO to B4. No REPAIR the circuit for an open. - B4 CHECK THE UNLOCK OUTPUT CIRCUIT FOR VOLTAGE
- While pressing the door lock control switch in the UNLOCK position, monitor:
Positive Lead Measurement / Action Negative Lead C525-3 Test Light Ground C609-3 Test Light Ground C705-3 Test Light Ground C805-3 Test Light Ground
Does the test light momentarily illuminate?
Yes INSTALL a new door latch. REFER to Front Door Latch or Rear Door Latch . No GO to B5. - While pressing the door lock control switch in the UNLOCK position, monitor:
- B5 CHECK THE UNLOCK OUTPUT CIRCUIT FOR AN OPEN
- Disconnect: RFA Module C2153D.
- Measure:
Positive Lead Measurement / Action Negative Lead C525-3 C2153D-5 C609-3 C2153D-3 C705-3 C2153D-3 C805-3 C2153D-3
Is the resistance less than 3 ohms?
Yes GO to B6. No REPAIR the affected circuit. - B6 CHECK FOR CORRECT RFA MODULE OPERATION
- Ignition OFF.
- Disconnect and inspect all RFA module 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 RFA module 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 RFA module. 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.
