Theft Deterrent System

THEFT DETERRENT: THEFT DETERRENT SYSTEM: TERMINALS OF ECU

TERMINALS OF ECU

1. CHECK INSTRUMENT PANEL J/B ASSEMBLY (MULTIPLEX NETWORK BODY ECU)
(a) Disconnect the B6, B7 and B9 ECU connectors.





(b) Disconnect the 1A, 1C, 1L and 1K J/B connectors.
(c) Measure the voltage and resistance between each terminal of the wire harness side connectors and body ground.





If the result is not as specified, there may be a malfunction on the wire harness side.
(d) Reconnect the B6, B7 and B9 ECU connectors.
(e) Reconnect the 1A, 1C, 1L and 1K J/B connectors.
(f) Measure the voltage between each terminal of the connectors and the body ground.





*: with Engine Immobiliser System
If the result is not as specified, the J/B assembly (body ECU) may have a malfunction.