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

- Disconnect the connector from the integration relay.
- check the continuity between each terminal of the disconnected connector and the body ground, as shown in the illustration and table.
Standard:

If the result is not as specified, the vehicle’s side may malfunction.
- reconnect the connector and check the voltage between each terminal and the body ground, as shown in the illustration and table.
Standard:

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

- Disconnect the connectors ia, ib, id, if, ih and ij of the instrument panel j/b.
- check the continuity between each terminal of the disconnected connectors and the body ground, as shown in the illustration and table.
Standard:

If the result is not as specified, the vehicle’s side may malfunction.
- reconnect the connectors and check the voltage between each terminal and the body ground, as shown in the illustration and table.
Standard:

If the result is not as specified, the integration relay or instrument panel j/b assembly may malfunction.
Problem symptoms table

Other materials:
Audio & visual system
Preparation
Sst
Recomended tools
Equipment
...
Mass or volume air flow circuit
Dtc p0100 mass or volume air flow circuit
Dtc p0102 mass or volume air flow circuit
low input
Dtc p0103 mass or volume air flow circuit
high input
Circuit description
The maf (mass air flow) sensor measures the amount of air flowing through the
throttle valve. The ecm
uses this information ...
If the shift lever cannot be shifted from P (except vehicles with a manual transmission)
If the shift lever cannot be shifted with your foot on the brake pedal, there
may be a problem with the shift lock system (a system to prevent accidental operation
of the shift lever). Have the vehicle inspected by your Toyota dealer immediately.
The following steps may be used as an emergency ...


