Toyota Corolla (E120) 2002–2008 Repair Manual / Lighting / Center stop lamp assy
Toyota Corolla (E120): Center stop lamp assy
Replacement
1. Remove package tray trim panel assy (w/o rear spoiler)
2. Remove center stop lamp assy (w/o rear spoiler)

- Remove the center stop light assy as shown in the illustlation.
3. Remove center stop lamp assy (w/ rear spoiler)

- Remove the 2 screws.
- disconnect the connector and remove the center stop light assy.
Other materials:
Manual shifting test
1. Perform manual shifting test
Hint:
by this test, it can be determined whether the trouble is within
the electrical circuit or is a mechanical problem in the transaxle.
Disconnect the transmission wire connector.
inspect the manual driving operation.
Check that the shift and g ...
Replacement
1. Remove proportioning valve assy
Using sst, disconnect the 5 brake tubes from the proportioning
valve assy.
Sst 09023–00100
Remove the 2 bolts and proportioning valve assy from the
body.
2. Install proportioning valve assy
Install the proportioning valve assy w ...
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 ...


