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:
Circuit description
The airbag sensor assy center consists of a airbag sensor assy center, safing
sensor, drive circuit, diagnosis
circuit and ignition control, etc.
It receives signals from the airbag sensor, judges whether or not the srs must
be activated, and detects
diagnosis system malfunction.
Dtc b11 ...
Circuit description
The park/neutral position switch detects the shift lever position and sends
signals to the ecm.
Monitor description
The park/neutral position switch detects the gearshift position and sends a
signal to the ecm.
For security, the park/neutral position switch detects the gearshift positio ...
How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Check and clear dtcs and freeze frame data
4 Problem symptom confirmation
Symptom does not occur: go to
step 5
Symptom occurs: go to step 6
5 Symptom simulation
6 Dtc check
There is no
output: go to step 7
There is outp ...