Toyota Corolla (E120): Inspection procedure
1 Check un–lock warning switch assy
- Disconnect the key unlock warning switch connector.
- check the continuity between the terminals of the key unlock warning switch connector, as shown in the illustration and table.
Standard:
2 Check wire harness (tvip ecu unlock warning switch)
- Disconnect the tvip ecu and key unlock warning switch connectors.
- check the continuity between the terminals of the tvip ecu connectors and unlock warning switch connector, as shown in the illustration and table.
Standard:
3 Check wire harness (key unlock warning switch body ground)
- Disconnect the key unlock warning switch connector.
- check the continuity between the terminal of the key unlock warning switch connector and the body ground, as shown in the illustration and table.
Standard:
Check and replace tvip ecu
Other materials:
Air conditioning filter
The air conditioning filter
must be changed regularly
to maintain air conditioning
efficiency.
Removing the air conditioning
filter
1. Turn the engine switch off.
2. Open the glove box. Slide off
the damper (if equipped).
3. Push in the glove box on the
vehicle's outer side to disconnect
the claws ...
Front no.1 Speaker assy
Replacement
Hhint: components:
1. Remove front armrest assy lh
2. Remove power window regulator master switch assy (w/ power window)
3. Remove front armrest base panel upper lh (w/o power window)
4. Remove front door window regulator handle assy (w/o power window)
5. Remove front door lowe ...
How to proceed with troubleshooting
The hand–held tester can be used at step 4, 6, 8 and 9.
1 Vehicle brought to workshop
2 Customer problem analysis
3 Warning light check
4 The dtcs check (present and past dtcs)
5 The dtcs chart
6 Circuit inspection
7 Repair
8 Clear the dtcs (present and past dtcs)
9 The dt ...