Toyota Corolla (E120): Diagnosis circuit

Wiring diagram

Circuit description

Other materials:

Overhaul
1. Drain brake fluid Notice: wash the brake fluid off immediately if it comes into contact with any painted surface. 2. Remove air cleaner cap sub–assy 3. Remove brake master cylinder sub–assy  disconnect the brake fluid level switch connector from master cylinder reservoir subâ ...

Adjustment
1. Inspect park/neutral position switch assy  apply the parking brake and turn the ignition switch on.  depress the brake pedal and check that the engine starts only when the shift lever is set in n or p position and it does not start in the other position.  check that th ...

Symptom confirmation and diagnostic trouble code
Hint: the diagnostic system in corolla has various functions. The first function is the diagnostic trouble code (dtc) check, in which a malfunction in the signal circuits to the ecu is stored in code form in the ecu memory. Another function is the input signal check, which checks if ...