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:
How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Check and clear dtc
4 Problem symptom confirmation
5 Symptom simulation
6 Dtc check
7 Dtc chart
8 Problem symptoms table
9 Circuit inspection
10 Identification of problem
11 Parts inspection
12 Repair
1 ...
System description
The ecm uses signals from the vehicle speed sensor and crankshaft position
sensor to detect the actual
gear position (1st, 2nd, 3rd or o/d gear).
Then the ecm compares the actual gear with the shift schedule in the ecm memory
to detect the mechanical
trouble of the shift solenoid valves, th ...
Driving assist systems
To help enhance driving safety and performance, the following systems operate
automatically in response to various driving situations. Be aware, however, that
these systems are supplementary and should not be relied upon too heavily when operating
the vehicle.
◆ ABS (Anti-lock Brake Sys ...