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Power Seat System Check

  1. Turn ignition off. Connect scan tool to Data Link Connector (DLC). Turn ignition on. Check for current seat or door Diagnostic Trouble Codes (DTCs). If no DTCs are present, go to next step. If DTCs are present, go to appropriate DTC. See DIAGNOSTIC TROUBLE CODE (DTC) DEFINITIONS  under SELF-DIAGNOSTIC SYSTEM.
  2. Turn ignition off. Disconnect scan tool from DLC. Move driver's seat forward, rearward, front up, front down, rear up and rear down. If seat operates as specified, go to next step. If seat does not operate as specified, diagnose using appropriate symptom test. See SYMPTOM TESTS  .
  3. Move passenger's seat forward, rearward, front up, front down, rear up and rear down. If seat operates as specified, go to next step. If seat does not operate as specified, diagnose using appropriate symptom test. See SYMPTOM TESTS  .
  4. Check operation of driver's side lumbar. Operate upper lumbar inflate/deflate, lower lumbar inflate/deflate and side bolster inflate/deflate. If lumbar operates as specified, go to next step. If lumbar does not operate as specified, diagnose using appropriate symptom test. See SYMPTOM TESTS  .
  5. Check operation of passenger's side lumbar. Operate upper lumbar inflate/deflate, lower lumbar inflate/deflate and side bolster inflate/deflate. If lumbar operates as specified, go to next step. If lumbar does not operate as specified, diagnose using appropriate symptom test. See SYMPTOM TESTS  .
  6. Check memory system function. Turn ignition on and move driver's seat to furthest rear position. Depress and hold the MEMORY 1 button until indicator light flashes. Move driver's seat to furthest front position. Depress and hold the MEMORY 2 button until indicator light flashes. Move seat to middle position on seat tracks. Depress and hold both MEMORY buttons until both indicator lights come on steady and flash once. If memory system operates as specified, go to next step. If memory system does not operate as specified, go to appropriate WIRING DIAGRAMS in MEMORY SYSTEMS article.
  7. Check memory operation. Depress MEMORY 1 button. Seat should move to the furthest rear position. Depress MEMORY 2 button. Seat should move to furthest front position. Depress both MEMORY buttons at the same time. Seat should move to middle stored position. If seat operates as specified, seat operation is okay. If memory seat does not operate as specified, go to appropriate WIRING DIAGRAMS in MEMORY SYSTEMS article.
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