Toyota Corolla Repair Manual: Ecu power source circuit

Inspection procedure

1 Input signal check See the input signal check on page 05–745.  check the indicator light when the clutch pedal is depressed. Ok: the indicator light goes off when the clutch pedal ...

Circuit description

The cruise control ecu assy power source supplies power to the actuator and sensors, etc., When terminal gnd and the case of the cruise control ecu assy are grounded. Wiring diagram ...

Other materials:

Replacement
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 air cleaner case sub–assy  remove the air cleaner element, then remove the 3 bolts and air cleaner case sub–assy. 4. ...

Removal and installation of engine intake parts
If any metal tip is mixed in the inlet pass, this may give a bad effect to the engine and turbocharger.  when removing and installing the inlet system parts, close the opening of the removed inlet system parts and the engine with a clean shop rag or gummed tape.  when inst ...

Inspection procedure
1 Check low pitched horn assy Connect the positive (+) lead from the battery to the terminal and negative (–) lead to the horn body, and check that the horn blows. 2 Check relay (marking: horn) Remove the relay from the engine room j/b.  check the horn relay continu ...