Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Power door lock control system / Terminals of ecu
Toyota Corolla (E120): Terminals of ecu
1. Inspect integration relay

- Disconnect the connector and check the continuity of each terminal of the disconnected connector.
Standard :

If the result is not as specified, the vehicle’s side may malfunction.
- Reconnect the connector and check each terminal.
Standard:

If the result is not as specified, the integration relay may malfunction.
2. Inspect instrument panel j/b (integration relay)

- Inspect the door fuse.
- disconnect connectors id, if, ih and ij of the instrument panel j/b.
- check each terminal of the disconnected connectors.
Standard:

If the result is not as specified, the vehicle’s side may malfunction.
- reconnect the connectors and check each terminal.
Standard:

If the result is not as specified, the instrument panel j/b (integration relay) assembly may malfunction.
Other materials:
Inspection procedure
Hint:
the switch described in this text is a switch for transmitting signals which is
built in the door control transmitter.
1 Check wireless door lock control functions
Normal
2 Replace transmitter battery with normal one
After replacing the transmitter battery with a new or normal o ...
Check mode procedure
1. Dtc check (check mode)
Hint:
hand–held tester only:
compared to the normal mode, the check mode has more sensing
ability to detect malfunctions. Furthermore, the same diagnostic
items which are detected in the normal mode can also be
detected in the check mode.
Procedure for check m ...
Front no.2 Speaker assy
Replacement
Hint: 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 lower ...


