Multiplex Communication System

TERMINALS OF ECU

Terminals Of ECU/Pinouts:

1. CHECK GATEWAY ECU
a. Disconnect the G1 ECU connector.
b. Measure the voltage and resistance between each terminal of the wire harness side connector and body ground.




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

Terminals Of ECU/Pinouts:

2. CHECK A/C ECU
a. Disconnect the A8 ECU connector.
b. Measure the voltage and resistance between each terminal of the wire harness side connector and body ground.




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

Terminals Of ECU/Pinouts:

3. CHECK INSTRUMENT PANEL J/B ASSY (MULTIPLEX NETWORK BODY ECU)

a. Disconnect the B5 ECU connector.
b. Disconnect the 1A, 1E and 1G J/B connectors.
c. Measure the voltage and resistance of each terminal of the wire harness side connectors.




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

Terminals Of ECU/Pinouts:

4. CHECK TRANSPONDER KEY ECU
a. Disconnect the T5 ECU connector.
b. Measure the voltage and resistance of each terminal of the wire harness side connector.




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

Terminals Of ECU/Pinouts:

5. CHECK TRANSMISSION CONTROL ECU
a. Disconnect the T4 ECU connector.
b. Measure the voltage and resistance of each terminal of the wire harness side connector.




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

Terminals Of ECU/Pinouts:

6. CHECK SMART ECU
a. Disconnect the S11 ECU connector.
a. Measure the voltage and resistance of each terminal of the wire harness side connector.




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

Terminals Of ECU/Pinouts:

7. CHECK METER ECU (COMBINATION METER)
a. Disconnect the C10 ECU connector.
a. Measure the voltage and resistance each terminal of the wire harness side connector.




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

Terminals Of ECU/Pinouts:

8. CHECK POWER SOURCE CONTROL ECU
a. Disconnect the P6 ECU connector.
b. Measure the voltage and resistance of each terminal of the wire harness side connector.




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