Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Door courtesy switch circuit / Inspection procedure
Toyota Corolla (E120): 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
Other materials:
Parking the vehicle
► Automatic transmission or continuously
variable transmission Automatic transmission or continuously variable transmission
1 With the shift lever in D, depress the brake pedal.
2 Shift the shift lever to P.
3 Set the parking brake.
4 Vehicles without a smart key system: Turn ...
How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Check and clear dtc
4 Problem symptom confirmation
Symptom does not occur (go to
step 5)
5 Symptom simulation
6 Dtc check
7 Dtc chart
8 Problem symptoms table
9 Circuit inspection
10 Confirmation test
End
...
Emergency flashers
The emergency flashers are
used to warn other drivers
when the vehicle has to be
stopped on the road due to
a breakdown, etc.
Operating instructions
Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch
once again.
■Emergency flashers
If the emergency fla ...