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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    Pre–check
    1. Srs warning light check Turn the ignition switch to the on position and check that the srs warning light lights up. check that the srs warning light goes out after approx. 6 Seconds. Hint: when the ignition switch is at on and the srs warning light remains on or flashes, the ...

    Transmitter battery
    Replacement 1. Replace transmitter battery Notice: special caution should be taken for handling each component as they are precision electronic components. Using a screwdriver, pry out the transmitter case. Notice: do not forcibly pry out the case. Hint: tape the screwdriver tip ...

    Turning on light switch does not light up night time illumination of radio receiver
    Wiring diagram Inspection procedure 1 Inspect radio receiver assy(ill+, ill–) Check that the voltage between terminals at each condition, as shown in the chart. Standard: Repair or replace harness or connector ...