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:
Diagnostic trouble code chart
If a dtc is displayed during the dtc check, check the circuit listed in the
table below and proceed to the
page given.
* :● ... Mil light up
...
Inspection
1. Thermostat
Hint:
the thermostat is numbered with the valve opening temperature.
Immerse the thermostat in water and gradually heat the
water.
check the valve opening temperature.
Valve opening temperature:
80 to 84 c (176 to 183 f)
Hint:
if the valve opening temperatur ...
Definition of terms
Term
Definition
Monitor description
Description of what the ecm monitors and how it detects malfunction
(monitoring purpose and its details).
Related dtcs
Diagnostic code
Typical enabling condition
Preconditions that allow the ecm to detect m ...