Toyota Corolla (E120): Inspection procedure

1 Inspect cruise control actuator assy

  1. Turn the ignition switch to off.
  2.  disconnect the cruise control actuator assy connector.
  3.  measure the resistance between terminals 1 (mo) and 2 (mc) of cruise control actuator assy.

Hint

: if control plate position is fully opened or fully closed, resistance cannot be measured.

Ok: resistance: more than 4.2 Ω

2 Check harness and connector(between cruise control ecu assy

2 Check harness and connector(between cruise control ecu assy and cruise control actuator assy)

  1. Check for open and short circuit in harness and connector between cruise control ecu assy and cruise control actuator assy (actuator motor)

Check and replace cruise control ecu assy

Check and replace cruise control ecu assy

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