Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Park/neutral position switch circuit / Inspection procedure

Toyota Corolla (E120): Inspection procedure

1 Check operation(starter)

1. Check that the starter operates normally and that the engine starts.

2 Input signal check

1. See input signal check on page 05–745.
2.  check the indicator light when shifting into except d position.

   Ok: the indicator light goes off when shifting into except d position.

3 Inspect terminal voltage(d)

1. Turn the ignition switch to on.
2.  measure voltage between terminal 4 (d) of cruise control ecu assy connector and body ground when shifting into d position and other positions.

   Ok:

4 Check harness and connector(between cruise control ecu assy and park/neutral position switch)

1. Check for open and short circuit in harness and connector between cruise control ecu assy and park/ neutral position switch

Check and replace cruise control ecu assy