Theft Deterrent System

THEFT DETERRENT: THEFT DETERRENT SYSTEM: TERMINALS OF ECU

TERMINALS OF ECU

1. CHECK THEFT WARNING ECU





(a) Disconnect the T7 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.

(c) Reconnect the T7 ECU connector.
(d) Measure the voltage of the connector.





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

2. CHECK DRIVER SIDE JUNCTION BLOCK (DRIVER SIDE JUNCTION BLOCK ECU)





(a) Disconnect the 2A and 2G junction block connectors.
(b) Disconnect the D2 and D4 ECU connectors.
(c) Measure the resistance and voltage of the wire harness side connectors.





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

(d) Reconnect the 2A and 2G junction block connectors.
(e) Reconnect the D2 and D4 ECU connectors.
(f) Measure the voltage of the connector.





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

3. CHECK LUGGAGE ROOM JUNCTION BLOCK (LUGGAGE ROOM JUNCTION BLOCK ECU)





(a) Disconnect the 6A, 6F and 6L junction block connectors.
(b) Disconnect the L24 ECU connector.
(c) Measure the resistance and voltage of the wire harness side connectors.





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

(d) Reconnect the 6A, 6F and 6L junction block connectors.
(e) Reconnect the L24 ECU connector.
(f) Measure the voltage of the connector.





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

4. CHECK MULTIPLEX NETWORK DOOR ECU FRONT LH (DRIVER DOOR ECU)





(a) Disconnect the D17 and D19 ECU connectors.
(b) 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.

5. CHECK MULTIPLEX NETWORK BODY ECU FRONT RH (PASSENGER DOOR ECU)





(a) Disconnect the P9 and P11 ECU connectors.
(b) 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.

6. CHECK TRANSPONDER KEY ECU





(a) Disconnect the T13 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.

(c) Reconnect the T13 ECU connector.
(d) Measure the voltage of the connector.





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

7. CHECK MULTIPLEX NETWORK FRONT LIGHT ECU (FRONT CONTROLLER)





(a) Remove the front light ECU from the engine room No. 2 relay block.
(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.