Toyota Corolla Repair Manual: Inspection procedure
1 Check courtesy lamp switch
- Check the courtesy switch, as shown in the illustration and table.
Standard:
2 Check wire harness (integration relay door courtesy sw)
- Disconnect the integration relay and door courtesy connectors.
- check the continuity between the terminals of the integration relay and door courtesy switch connectors, as shown in the illustration and table.
Standard:
- Disconnect the each door courtesy switch connectors.
- check the continuity between the terminals of the integration relay and door courtesy switch connectors, as shown in the illustration and table.
Standard:
3 Check wire harness (tvip ecu luggage compartment light sw)
- Disconnect the tvip ecu and luggage comportment light switch connectors.
- check the continuity between the terminals of the tvip ecu and luggage compartment light switch connectors, as shown in the illustration and table.
Standard:
Proceed to next circuit inspection shown on problem symptoms table
Circuit description
The door courtesy switch turns on when the door is opened and off when the
door is closed.
Wiring diagram
...
Other materials:
Replacement
1. Remove engine under cover rh
2. Remove cylinder head cover no.2
Remove the 2 screw, 3 clips and engine under cover.
3. Remove fan and generator v belt
Turn the v–ribbed belt tensioner slowly clockwise and
loosen it. Then, remove the fan and generator v belt and
put back th ...
Circuit description
The intake air temperature (iat) sensor, mounted on the mass
air flow (maf) sensor, monitors the intake air temperature. The
iat sensor has a thermistor that varies its resistance depending
on the temperature of the intake air. When the air temperature
is low, the resistance in the thermisto ...
Precaution
1. Handling precautions on srs airbag system
The vehicle is equipped with srs (supplemental restraint system) such as
the driver airbag and front
passenger airbag. Failure to carry out service operation in correct sequence
could cause the srs to
unexpectedly deploy during servicing, po ...