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Toyota Corolla Repair Manual: Power door lock control system

Toyota Corolla Repair Manual / Diagnostics / Power door lock control system

Symptom

Suspected area

All doors are not operated by drivers 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. Unlock warning switch assy
  2. Front door courtesy lamp switch assy
  3.  Wire harness
  4.  Integration relay
The ambient temperature does not display
Wiring diagram Inspection procedure 1 Inspect outer ambient temperature sensor Remove cooler (ambient temp. Sensor) thermistor.  measure resistance between terminals 1 and 2 of co ...

How to proceed with troubleshooting
1 Vehicle brought in 2 Customer problem analysis check and symptom check 3 Problem symptoms table Without applicable symptoms, proceed to a  with applicable symptoms, proceed to b ...

Other materials:

Inspection procedure
1 Inspect fuse(ecuig fuse) Remove ecuig fuse from the instrument panel j/b.  check continuity of ecuig fuse. Ok: continuity 2 Inspect battery Ok: voltage: 10 14 v 3 Inspect skid control ecu connector(ig1 terminal voltage) In case of using handheld tester: ...

Overhaul
1. Remove cylinder block water drain cock subassy Remove the cylinder block water drain cock from the cylinder block. 2. Inspect connecting rod thrust clearance Using a dial indicator, measure the thrust clearance while moving the connecting rod back and forth. Standard thr ...

Cd cannot be inserted or is ejected right after insertion
Wiring diagram Inspection procedure 1 Check if a proper cd is inserted Check that a proper cd is inserted.  Make sure that the cd is normal audio cd, and that there is no deformation, flaw, stain, burr and other defects on the cd. Standard: normal audio cd. Reference: ...

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