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Home >> Subaru >> 2001 >> Forester Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless Entry Systems >> Diagnostic Tests >> Basic Diagnostic Procedure

Basic Diagnostic Procedure

  1. Remove key from ignition switch. Set room light switch in middle position. Close all doors and rear gate. Press LOCK/ARM button one time. If all doors and rear gate lock normally, go to next step. If all doors and rear gate do not lock normally, replace keyless entry control module. See KEYLESS ENTRY CONTROL MODULE  under REMOVAL & INSTALLATION.
  2. If horn signal chirps one time, go to next step. If horn signal does not chirp one time, go to HORN DIAGNOSTIC TEST  .
  3. Press UNLOCK/DISARM button one time. If driver's door unlocks normally, go to next step. If driver's door does not lock normally, replace keyless entry control module. See KEYLESS ENTRY CONTROL MODULE  under REMOVAL & INSTALLATION.
  4. If horn signal chirps 2 times, go to next step. If horn signal does not chirp 2 times, replace keyless entry control module. See KEYLESS ENTRY CONTROL MODULE  under REMOVAL & INSTALLATION.
  5. Check if room light is turned on. If room light turns on for 30 seconds, and then turns off, go to next step. If room light does not turn on for 30 seconds, and then turns off, go to ROOM LIGHT DIAGNOSTIC TEST  .
  6. Press LOCK/ARM button one time. Press UNLOCK/DISARM button two times. If all doors and rear gate lock normally, go to next step. If all doors and rear gate do not lock normally, replace keyless entry control module. See KEYLESS ENTRY CONTROL MODULE  under REMOVAL & INSTALLATION.
  7. Keep LOCK/ARM button pressed for more than 1.5 seconds. If horn sounds for 30 seconds, and then turns off, go to next step. If horn does not sound for 30 seconds, and then turns off, replace keyless entry control module. See KEYLESS ENTRY CONTROL MODULE  under REMOVAL & INSTALLATION.
  8. Keep LOCK/ARM button pressed for more than 1.5 seconds. Horn will sound. Press LOCK/ARM button. If horn turns off, go to next step. If horn does not turn off, replace keyless entry control module.
  9. Keep LOCK/ARM button pressed for more than 1.5 seconds. Horn will sound. Press UNLOCK/DISARM button. If horn turns off, go to next step. If horn does not turn off, replace keyless entry control module. See KEYLESS ENTRY CONTROL MODULE  under REMOVAL & INSTALLATION.
  10. Open front left door. If room light turns on, go to next step. If room light does not turn on, go to DOOR SWITCH DIAGNOSTIC TEST  .
  11. Close front left door. Open front right door. If room light turns on, go to next step. If room light does not turn on, go to DOOR SWITCH DIAGNOSTIC TEST  .
  12. Close front right door. Open rear right door. If room light turns on, go to next step. If room light does not turn on, go to DOOR SWITCH DIAGNOSTIC TEST  .
  13. Program transmitter. See KEYLESS TRANSMITTER  under PROGRAMMING. If transmitter operates normally, go to next step. If transmitter does not operate normally, go to IGNITION SWITCH DIAGNOSTIC TEST  .
  14. Insert key into ignition switch. Turn key to LOCK position. Perform lock and unlock function with transmitter. If power door lock functions normally, system is okay. If power door lock does not function normally, go to KEY WARNING SWITCH DIAGNOSTIC TEST  .
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