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:
How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Check and clear dtc
4 Problem symptom confirmation
5 Symptom simulation
6 Dtc check
7 Dtc chart
8 Problem symptoms table
9 Circuit inspection
10 Identification of problem
11 Parts inspection
12 Repair
1 ...
Diagnostics
Preparation
Sst
09816–30010
Oil pressure switch socket
Sfi system
09843–18040
Diagnosis check wire no.2
Sfi system
supplemental restraint
system
Recomended tools
09082–00040
Toyota electrical tester
Sfi system
supplemental re ...
Inspection procedure
1 Inspect transmission wire(s1)
Disconnect the transmission wire connector from the
transaxle.
measure the resistance according to the value(s) in the
table below.
Standard:
2 Check harness and connector(transmission wire – ecm)
Connect the transmission connecto ...
