Diesel Data: Automotive Repair

Pinout Values and Diagnostic Parameters








1NZ-FXE STARTING: SMART KEY SYSTEM: TERMINALS OF ECU

TERMINALS OF ECU

1. CHECK POWER SOURCE CONTROL ECU





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





- 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 the connector.





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

2. CHECK TRANSPONDER KEY ECU





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





- 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 the connector.





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

3. CHECK HYBRID VEHICLE CONTROL ECU





(a) Disconnect the H14, H15, H16 and H17 ECU connectors.
(b) Measure the resistance and voltage of the connectors.





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

4. CHECK TRANSMISSION CONTROL ECU





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





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