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
Hint:
start the inspection from step 1 in case of using the hand–held tester and start
from step 2 in case of not
using the hand–held tester.
1 Perform active test by hand–held tester(abs motor relay)
Check the operation sound of the abs motor individually when operaing it
with the ...
Circuit description
The ecm compares the two waveforms of the heated oxygen sensors located
before and after the catalyst
to determine whether or not the catalyst performance has deteriorated.
Air–fuel ratio feedback compensation keeps the waveform of the heated oxygen
sensor in front of the catalyst
alterna ...
Inspection procedure
1 Inspect transmission wire(s1)
Disconnect the transmission wire connector from the
transaxle.
measure the resistance according to the value(s) in the
table below.
Standard:
2 Check harness and connector(transmission wire – ecm)
Connect the transmission connec ...