Toyota Corolla (E120): Power door lock control system

Symptom

Suspected area

All doors are not operated by driver’s door key cylinder interlocked with key
  1. Door lock control switch
  2. Front door lock assy lh
  3.  Wire harness
  4. Integration relay
Key confinement prevention function does not work properly (unlock warning switch circuit)
  1. Un–lock warning switch assy
  2. Front door courtesy lamp switch assy
  3.  Wire harness
  4.  Integration relay
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Other materials:

Pre–check
1. Diagnosis system Release the parking brake lever.  check the warning lights. When the ignition switch is turned on, check that the abs warning light and brake warning light goes on for 3 sec. Hint: when the parking brake is applied or the level of the brake fluid is low, the ...

Overhaul
1. Remove manual transaxle assy 2. Remove clutch release fork sub–assy Remove the clutch release fork with clutch release bearing from the transaxle assy. 3. Remove clutch release bearing assy  remove the clutch release bearing assy from the clutch release fork. 4. Re ...

Overhaul
Hint: overhaul the rh side by the same procedures with lh side. 1. Remove rear wheel 2. Drain brake fluid Notice: wash the brake fluid off immediately if it comes into contact with any painted surface. 3. Remove rear brake drum sub–assy Release the parking brake lever, and remove t ...