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

Toyota Corolla (E120): Inspection procedure

1 Input signal check

1. See the input signal check on page 05–745.
2.  check the indicator light when the clutch pedal is depressed.

   Ok: the indicator light goes off when the clutch pedal is depressed.

2 Inspect terminal voltage(d)

1. Turn the ignition switch to on.
2.  measure the voltage between terminal 4 (d) of the cruise control ecu assy connector and the body ground when the clutch pedal is depressed and released.

   Ok:

3 Inspect clutch switch assy

1. Disconnect the clutch switch assy connector.
2.  check continuity between terminal 1 and 2 of clutch switch assy.

   Ok:

4 Check harness and connector(between cruise control ecu assy and gauge fuse)

1. Check for open and short circuit in harness and connector between cruise control ecu assy and gauge fuse

Check and replace cruise control ecu assy