Toyota Corolla (E120): Circuit description

Hint:

Hint

: there is a case that hand–held tester cannot be used when ecu is abnormal.

Wiring diagram

Inspection procedure

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    Wireless remote control (if equipped)
    The keys are equipped with the following wireless remote control: Vehicles without a smart key system Locks the doors Unlocks the doors Opens the windows*1 and moon roof*1, 2 Opens the trunk Sounds the alarm Vehicles with a smart key system Locks the doors Unlocks the doors Opens the ...

    Replacement
    Hint: components: 1. Precaution 2. Disconnect battery negative terminal 3. Remove air bag front rh sensor Disconnect the connector from the airbag front rh sensor.  remove the 2 bolts and airbag front rh sensor. 4. Inspect air bag front rh sensor 5. Install air bag front rh ...

    Inspection procedure
    Hint: start the inspection from step 1 in case of using the hand–held tester and start from step 2 in case of not using the hand–held tester. 1 Read value of hand–held tester(skid control sensor) Check that there is no difference between the speed value output from the speed sensor ...