Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system
Toyota Corolla (E120): Cruise control system
- How to proceed with troubleshooting
- Pre–check
- Diagnostic trouble code chart
- Terminals of ecu
- Problem symptoms table
- Actuator motor circuit
- Actuator magnetic clutch circuit
- Actuator mechanical malfunction
- Open vehicle speed sensor circuit/ Vehicle speed signal abnormal
- Idle signal circuit
- Stop light switch circuit
- Electronically controlled transmission communication circuit
- Park/neutral position switch circuit
- Clutch switch circuit
- Ecu power source circuit
- Cruise control switch circuit
- Cruise main indicator light circuit
- Diagnosis circuit
Other materials:
Inspection
1. Spark plug
Notice:
never use a wire brush for cleaning.
Never attempt to adjust the electrode gap on used
spark plug.
Spark plug should be replaced every 192,000 km
(120,000 miles).
Clean the spark plugs.
Air pressure: below 588 kpa (6.0 Kg/cm2, 85 psi)
duration: 20 sec ...
Check open circuit
For the open circuit in the wire harness in fig. 1, Perform
a resistance check in step (b) or a voltage check in step
(c) to locate the section.
Check the resistance.
Disconnect connectors a and c and measure the
resistance between them.
Resistance: 1 Ω or les ...
Manual shifting test
1. Perform manual shifting test
Hint:
by this test, it can be determined whether the trouble is within
the electrical circuit or is a mechanical problem in the transaxle.
Disconnect the transmission wire connector.
inspect the manual driving operation.
Check that the shift and g ...