Multiplex Communication System

TERMINALS OF ECU

Terminal Of Control Module/Pinouts:

1. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSY (BODY ECU)

a. Disconnect the IB, IE and IH J/B connectors.
b. Disconnect the B3 and B5 ECU connectors.
c. Check the voltage and resistance of each terminal of the wire harness side connectors.

If the result is not as specified, there may be a malfunction on the wire harness side.

Terminal Of Control Module/Pinouts:

2. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSY (DRIVER DOOR ECU)
a. Disconnect the D18 switch connector.

b. Check the voltage and resistance of each terminal of the wire harness side connector.

If the result is not as specified, there may be a malfunction on the wire harness side.

Terminal Of Control Module/Pinouts:

3. CHECK MULTIPLEX TILT & TELESCOPIC ECU (TILT & TELESCOPIC ECU)

a. Disconnect the T6 ECU connector.
b. Check the voltage and resistance of each terminal of the wire harness side connector.

If the result is not as specified, there may be a malfunction on the wire harness side.

Terminal Of Control Module/Pinouts:

4. CHECK MULTIPLEX NETWORK BODY ECU NO.2 (BODY NO.2 ECU)

a. Disconnect the S27 and S28 ECU connectors.

b. Check the voltage and resistance of each terminal of the wire harness side connector.

If the result is not as specified, there may be a malfunction on the wire harness side.

Terminal Of Control Module/Pinouts:

5. CHECK WINDSHIELD WIPER ECU (WIPER ECU)

a. Disconnect the W4 and W5 ECU connectors.

b. Check the voltage and resistance of each terminal of the wire harness side connectors.

If the result is not as specified, there may be a malfunction on the wire harness side.

Terminal Of Control Module/Pinouts:

6. CHECK THEFT WARNING ECU ASSY (THEFT DETERRENT ECU)

a. Disconnect the T5 ECU connector.

b. Check the voltage and resistance of each terminal of the wire harness side connector.

If the result is not as specified, there may be a malfunction on the wire harness side.

Terminal Of Control Module/Pinouts:

7. CHECK POSITION CONTROL ECU & WIRING ASSY (POWER SEAT ECU)

a. Disconnect the P19 and P20 ECU connectors.

b. Check the voltage and resistance of each terminal of the wire harness side connectors.

If the result is not as specified, there may be a malfunction on the wire harness side.

Terminal Of Control Module/Pinouts:

8. CHECK OUTER MIRROR CONTROL ECU ASSY (MIRROR ECU)

a. Disconnect the R10 ECU connector.

b. Check the voltage and resistance of each terminal of the wire harness side connector.

If the result is not as specified, there may be a malfunction on the wire harness side.

Terminal Of Control Module/Pinouts:

9. CHECK RAIN SENSOR

a. Disconnect the R13 ECU connector.

b. Check the voltage and resistance of each terminal of the wire harness side connector.

If the result is not as specified, there may be a malfunction on the wire harness side.

Terminal Of Control Module/Pinouts:

10. CHECK MAYDAY ECU

a. Disconnect the M15 ECU connector.

b. Check the voltage and resistance of each terminal of the wire harness side connector.

If the result is not as specified, there may be a malfunction on the wire harness side.