Toyota Tacoma manuals

Toyota Corolla Repair Manual: Inspection procedure

1 Check door lock

  1. When the door does not operate manually, proceed to a.
  2.  when the door does not operate via the key, proceed to b.

2 Inspect door lock control switch

2 Inspect door lock control switch

  1. W/ power window: remove the power window regulator master switch assy.
  1.  Inspect the master switch (door lock control switch) continuity, as shown in the illustration and table.

Standard:

  1. W/o power window: remove the door lock control switch.
  1.  Inspect the door lock control switch continuity, as shown in the illustration and table.

Standard:

3 Check wire harness (switch  integration relay)

3 Check wire harness (switch  integration relay)

  1. W/ power window: disconnect the power window regulator master switch assy and integration relay connectors.

    W/o power window: disconnect the door lock control switch and integration relay connectors.

  2.  check the continuity between the terminals of the power window regulator master switch assy or door lock control switch and integration relay connectors, as shown in the illustration and tables.

[W/ power window] standard (check for open):

[W/o power window]

[W/o power window] standard (check for open):

4 Inspect drivers door lock

4 Inspect drivers door lock

  1. Inspect the drivers door lock key switch.
  2. inspect the drivers door lock position switch.

5 Check wire harness (drivers door lock  integration relay)

5 Check wire harness (drivers door lock  integration relay)

  1. Disconnect the drivers door lock and integration relay connectors.
  2.  check the continuity between the terminals of the drivers door lock and integration relay connectors, as shown in the illustration and table.

Standard (check for open):

Replace integration relay

Replace integration relay

Circuit description
The integration relay receives a switch signal from the master switch, door lock control switch or the drivers door key and then drives the door lock motor. Wiring diagram ...

Key confinement prevention function does not work properly (unlock warning switch circuit)
Circuit description The unlock warning switch turns on when the key is inserted in the ignition key cylinder and the door courtesy switch turns on when the drivers door is opened, and the integra ...

Other materials:

For vehicles equipped with catalytic converter
Caution: if large amount of unburned fuel flows into the converter, it may cause overheating and a fire hazard. To prevent this, observe the following precautions. Use only unleaded gasoline.  avoid prolonged idling. Avoid running the engine at idle speed for more than 20 minutes. ...

How to proceed with troubleshooting
The handheld tester can be used at step 3, 4, 6, 9. 1 Vehicle brought to workshop 2 Customer problem analysis 3 Connect the obd ii scan tool or handheld tester to dlc3 4 Check and clear dtc and freeze frame data 5 Visual inspection 6 Setting the check mode diagnosis 7 Problem sy ...

Circuit description
Hint: these dtcs indicate a malfunction related to the primary circuit. If dtc p0351 is displayed, check the no.1 Ignition coil with igniter circuit. If dtc p0352 is displayed, check the no.2 Ignition coil with igniter circuit. If dtc p0353 is displayed, check the no.3 Ignition coil ...

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