Toyota Corolla (E120): Circuit description

If the ignition switch is turned to the on position, battery positive voltage is applied to the switches, such as terminal ig of the ecu.

Wiring diagram

Inspection procedure

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    Malfunction in tachometer
    Wiring diagram Inspection procedure Check output value of ecm.  Connect the hand–held tester to dlc3. Turn the ignition switch to on and push the hand–held tester main switch on.  Select the data list mode on the hand–held tester. 2 Inspect combinatio ...

    Overhaul
    1. Inspect 4th gear thrust clearance Using a feeler gauge, measure the 4th gear thrust clearance. 4Th gear thrust clearance: 2. Inspect 3rd gear thrust clearance Using a dial indicator, measure the 3rd gear thrust clearance. 3Rd gear thrust clearance: 3. Inspect 4th gear ...

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