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:
Precaution
1. Handling precautions on steering system
care must be taken when replacing parts. Incorrect replacement may
affect the performance of the
steering system and result in a driving hazard.
2. Handling precautions on srs airbag system
the vehicle is equipped with srs (suppl ...
Overhaul
Hint: components:
1. Discharge refrigerant from refrigeration system
sst 07110–58060 (07117–58080, 07117–58090, 07117–78050, 07117–88060,
07117–88070,
07117–88080)
2. Disconnect cooler refrigerant liquid pipe a
Remove the bolt and disconnect the cooler refrigerant liqui ...
Replacement
1. Remove engine under cover rh
2. Remove fan and generator v belt
3. Remove generator assy
Disconnect the wire clamp from the wire clip on the rectifire
end frame.
remove the rubber cap and nut, and disconnect the alternator
wire.
disconnect the alternator connecto ...


