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Multiplex Communication System

TERMINALS OF ECU

Terminals Of Control Module/Pinouts - Check Gateway ECU:




1. CHECK GATEWAY ECU

a. Disconnect the G1 ECU connector.
b. Measure the voltage and resistance of the wire harness side connector.




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

Terminals Of Control Module/Pinouts - Check A/C ECU:




2. CHECK A/C ECU

a. Disconnect the A8 ECU connector.
b. Measure the voltage and resistance of the wire harness side connector.




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

Terminals Of Control Module/Pinouts - Check Instrument Panel J/B Assy (Multiplex Network Body ECU):




3. CHECK INSTRUMENT PANEL J/B ASSEMBLY (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 the wire harness side connectors.




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

Terminals Of Control Module/Pinouts - Check Transponder Key ECU Assy:




4. CHECK TRANSPONDER KEY ECU ASSEMBLY

a. Disconnect the T5 ECU connector.
b. Measure the voltage and resistance of the wire harness side connector.




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

Terminals Of Control Module/Pinouts - Check Transmission Control ECU:




5. CHECK TRANSMISSION CONTROL ECU

a. Disconnect the T4 ECU connector.
b. Measure the voltage and resistance of the wire harness side connector.




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

Terminals Of Control Module/Pinouts - Check Smart ECU:




6. CHECK SMART ECU

a. Disconnect the S11 ECU connector.
a. Measure the voltage and resistance of the wire harness side connector.




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

Terminals Of Control Module/Pinouts - Check Meter ECU (Combination Meter):




7. CHECK METER ECU (COMBINATION METER)

a. Disconnect the C10 ECU connector.
a. Measure the voltage and resistance of the wire harness side connector.




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

Terminals Of Control Module/Pinouts - Check Power Source Control ECU:




8. CHECK POWER SOURCE CONTROL ECU

a. Disconnect the P6 ECU connector.
b. Measure the voltage and resistance of the wire harness side connector.




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