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
- 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 is depressed.
2 Inspect terminal voltage(d)
- Turn the ignition switch to on.
- 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
- Disconnect the clutch switch assy connector.
- 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)
- 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
Other materials:
Inspection
1. Charcoal canister assy
Visually check the charcoal canister for cracks or damage.
Inspect the charcoal canister operation.
Plug the vent port with the cap.
While holding the purge port closed, blow air (1.76
Kpa, 18 gf/cm2, 0.26 Psi) into the evap port and
...
Replacement
1. Discharge refrigerant from refrigeration system
turn the a/c switch on.
operating the cooler compressor at the engine rpm of approx. 1000
For 5 to 6 min., Circulate the refrigerant
and collect compressor oil remaining in each component into the cooler
compressor as much ...
Inspection procedure
1 Check tvip ecu
Check that the operation of the tvip function is normal.
Hint:
with this inspection, the tvip ecu cpu can be diagnosed if it works normally or
not.
2 Check wire harness (tvip ecu integration relay)
Disconnect the tvip ecu and integration relay connectors.
ch ...