Toyota Corolla (E120): Circuit description
The door courtesy switch turns on when the door is opened and off when the door is closed.
Wiring diagram
Other materials:
On–vehicle inspection
1. Inspect front axle hub bearing
remove the front wheel.
separate the front disc brake caliper assy .
remove the front disc.
inspect the bearing backlash.
Using a dial indicator, check the backlash near the
center of the axle hub.
Maximum: 0.05 Mm (0. ...
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
1. Inspect sliding roof limit switch
Inspect the sliding roof limit switch continuity.
Standard:
If the continuity is not as specified, replace the switch.
2. Inspect sliding roof drive gear sub–assy
Connect the positive (+) lead from the battery to terminal
2 and the ne ...