Diesel Data: Automotive Repair

Push Button Start System

TERMINALS OF ECU

Terminals Of ECU/Pinouts:




1. CHECK POWER SOURCE CONTROL ECU
a. Disconnect the P6 ECU connector.
b. Measure the resistance and voltage 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.

c. Reconnect the P6 ECU connector.
d. Measure the resistance and voltage of each terminal of the connector.




Standard:
If the result is not as specified, the ECU may have a malfunction.

Terminals Of ECU/Pinouts:




2. CHECK TRANSPONDER KEY ECU ASSY
a. Disconnect the T5 ECU connector.
b. Measure the resistance and voltage between 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.

c. Reconnect the T5 ECU connector.
d. Measure the voltage of each terminal of the connector.




Standard:
If the result is not as specified, the ECU may have a malfunction.

Terminals Of ECU/Pinouts:




3. CHECK HYBRID VEHICLE CONTROL ECU
a. Disconnect the H14, H15, H16 and H17 ECU connectors.
b. Measure the resistance and voltage between each terminal of the connectors.




Standard:
If the result is not as specified, the ECU may have a malfunction.

Terminals Of ECU/Pinouts:




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




Standard:
If the result is not as specified, the ECU may have a malfunction.