Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Problem symptoms table
Toyota Corolla (E120): Problem symptoms table
If a normal code is displayed during the dtc check but the problem still occurs, check the circuits for each problem, symptom in the order given in the table below and proceed to the relevant troubleshooting page.

Other materials:
Inspection procedure
1 Check fuse(ecu–ig)
Remove the ecu–ig fuse from the instrument panel j/b.
check the continuity of the ecu–ig fuse.
Ok: continuity
2 Inspect terminal voltage(b)
Remove the cruise control ecu assy with connector still
connected.
turn the ignition switch ...
Cruise control actuator assy
Replacement
1. Remove cruise control actuator cover
Disengage the 2 claws, then remove the cruise control actuator
cover.
2. Separate accelerator control cable assy
Loosen the double nut and separate the accelerator control
cable assy.
3. Separate accelerator auto drive ca ...
Inspection procedure
Hand–held tester:
1 Perform active test by hand–held tester(operation of circuit
opening relay)
Connect the hand–held tester to the dlc3.
turn the ignition switch on and push the hand–held tester main
switch on.
select the item ”diagnosis / enhanced obd ii / active ...


