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Door Lock Switch Failure

  1. On 2-door models, go to next step. On all other models, go to step  6 .
  2. Connect scan tool to Data Link Connector (DLC). Turn ignition switch to ON position. Ensure scan tool has communication between Central Timer Module (CTM) and Powertrain Control Module (PCM) through CCD bus. Read and record any Diagnostic Trouble Codes (DTC) present. Clear DTCs as necessary. Using scan tool, read PWR DOOR LOCK state. If scan tool displays state as CLOSED, go to next step. If scan tool does not display state as CLOSED, inspect all related wiring harnesses and connectors for good terminal contact or damage. Repair connectors as necessary. If okay, fault is not present at this time. Perform BODY VERIFICATION TEST  .
  3. Turn ignition switch to OFF position. Disconnect driver's Power Door Lock (PDL) switch connector. Turn ignition switch to ON position. If scan tool displays PWR DOOR LOCK state as CLOSED, go to next step. If scan tool does not display state as CLOSED, replace driver's PDL switch. Perform BODY VERIFICATION TEST  .
  4. Turn ignition switch to OFF position. Connect driver's PDL switch. Disconnect passenger's PDL switch connector. Turn ignition switch to ON position. If scan tool displays PWR DOOR LOCK state as CLOSED, go to next step. If scan tool does not display state as CLOSED, replace passenger's PDL switch. Perform BODY VERIFICATION TEST  .
  5. Disconnect driver's door lock switch. Using a DVOM, measure voltage between ground and driver's Power Door Lock (PDL) switch connector Orange/Violet wire terminal. If reading is less than .5 volt, replace driver's PDL switch. If reading is .5 volt or more, repair short to voltage in Orange/Violet wire between driver's PDL switch connector and in-line harness connector (located near passenger's door hinge) or repair short to voltage in Light Green/Black wire between in-line connector and passenger's PDL switch connector. Perform BODY VERIFICATION TEST  .
  6. Connect scan tool to Data Link Connector (DLC). Turn ignition switch to ON position. Ensure scan tool has communication between Central Timer Module (CTM) and Powertrain Control Module (PCM) through CCD bus. Read and record any Diagnostic Trouble Codes (DTC) present. Clear DTCs as necessary. Using scan tool, read power door lock switch state. If scan tool displays PWR DOOR LOCK state as CLOSED, go to next step. If scan tool does not display state as CLOSED, inspect all related wiring harnesses and connectors for good terminal contact or damage. Repair connectors as necessary. If okay, fault is not present at this time. Perform BODY VERIFICATION TEST  .
  7. Turn ignition switch to OFF position. Disconnect driver's PDL switch connector. Turn ignition switch to ON position. If scan tool displays PWR DOOR LOCK state as CLOSED, go to next step. If scan tool does not display state as CLOSED, replace driver's PDL switch. Perform BODY VERIFICATION TEST  .
  8. Turn ignition switch to OFF position. Connect driver's PDL switch. Disconnect passenger's PDL switch connector. Turn ignition switch to ON position. If scan tool displays PWR DOOR LOCK state as CLOSED, go to next step. If scan tool does not display state as CLOSED, replace passenger's PDL switch. Perform BODY VERIFICATION TEST  .
  9. Turn ignition switch to OFF position. Locate Central Timer Module (CTM). See COMPONENT LOCATIONS  . Disconnect CTM connector C2. Turn ignition switch to ON position. Measure voltage between ground and CTM connector C2 terminal No. 1 (Orange/Violet wire). If reading is more than 1.5 volts, repair short to voltage in Orange/Violet wire between CTM and both PDL switch connectors. If reading is 1.5 volts or less, replace Central Timer Module (CTM). Perform BODY VERIFICATION TEST  .
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