Toyota Corolla (E120): Ecm power source circuit

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Ecm (1zz–fe)
Replacement 1. Disconnect battery negative terminal 2. Remove glove compartment door assy 3. Remove ecm Remove the 2 clips using a clip remover. Then, open the cover. Disconnect the 4 ecm connectors.  remove the wire harness from the wire harness clamp. Remove the 2 ...

Inspection procedure
1 Check operation(stop lamp swtich assy) Check that the stop light comes on when the brake pedal is depressed, and turns off when the brake pedal is released. 2 Input signal check See input signal check on page 05–745.  check the indicator light when the brake pedal ...

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 ...