Theft Deterrent System

THEFT DETERRENT: THEFT DETERRENT SYSTEM: TERMINALS OF ECU

1. CHECK INSTRUMENT PANEL J/B ASSEMBLY (MULTIPLEX NETWORK BODY ECU)

(a) Disconnect the D6, D7 and D8 ECU connectors.





(b) Disconnect the IA, ID, IF and IM J/B connectors.

(c) Check the voltage and resistance between each terminal of the wire harness side connectors and body ground.





HINT
*1: without Smart Key System

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

(d) Reconnect the D6, D7 and D8 ECU connectors.

(e) Reconnect the IA, ID, IF and IM J/B connectors.

(f) Check the voltage between each terminal of the connectors and the body ground.





HINT
*1: with Smart Key System

If the result is not as specified, the J/B assembly (multiplex network body ECU) may have a malfunction.

2. CHECK ENGINE ROOM J/B ASSEMBLY (FRONT CONTROLLER)





(a) Disconnect the 1B, 1C and 1I ECU connectors.

(b) Check the resistance between each terminal of the wire harness connectors and body ground.





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

(c) Reconnect the 1B, 1C and 1I ECU connectors.

(d) Check the voltage between each terminal of the connectors and the body ground.





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