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:
Problem symptoms table
Hint:
proceed with troubleshooting of each circuit in the table below.
Symptom
Suspect area
When the ignition switch is in the on position, the srs warning
light sometimes comes on after approximately 6 seconds.
Srs warning light ci ...
Inspection procedure
Hint:
hand–held tester only:
narrowing down the trouble area is possible by performing ”a/f control” active
test (heated oxygen
sensor or other trouble areas can be distinguished).
Perform active test using hand–held tester (a/f control).
Hint:
”a/f control” is the active te ...
Toyota Safety Sense 3.0
The Toyota Safety Sense 3.0
consists of the driving
assist systems and contributes
to a safe and comfortable
driving experience:
WARNING
■Toyota Safety Sense 3.0
The Toyota Safety Sense 3.0
operates under the assumption
that the driver will drive safely,
and is designed to help reduce
the impact t ...


