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 procedure
1 Check side squib(lh) circuit(airbag sensor assy center – front
seat airbag assy lh)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the front seat airbag assy ...
Circuit description
The d squib circuit consists of the airbag sensor assy center, spiral cable
sub–assy and horn button assy.
It causes the srs to deploy when the srs deployment conditions are satisfied.
Dtc b0100/13 is recorded when a short is detected in the d squib circuit.
Wiring diagram
...
Circuit description
While driving uphill with cruise control activated, in order to minimize gear
shifting and provide smooth cruising
overdrive may be prohibited temporarily under some conditions.
The cruise control ecu sends o/d cut signals to the ecm as necessary and the ecm
cancels overdrive
shifting until ...