Toyota Corolla (E120) 2002–2008 Repair Manual / Front suspension
Toyota Corolla (E120): Front suspension
- Front suspension system
- Front suspension
- Front wheel alignment
- Front shock absorber with coil spring
- Front suspension arm sub–assy lower no.1 Lh
- Lower ball joint assy front lh
- Stabilizer bar front
Other materials:
How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Problem symptom confirmation
4 Circuit inspection
5 Repair or replace
6 Confirmation test
7 End
Customer problem analysis check
...
Inspection
1. Inspect defogger relay (marking: def)
Remove the defogger relay from the instrument panel
j/b.
inspect the defogger relay.
Standard:
If the result is not as specified, replace the relay ...
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 ...


