Theft Deterrent System

TERMINALS OF ECU

Terminals Of ECU:

CHECK INSTRUMENT PANEL J/B ASSY (MULTIPLEX NETWORK BODY ECU)

a. Disconnect the B4, B5, B6 and B7 ECU connectors.
b. Disconnect the 1A, 1D, 1F, 1M and IO J/B connectors.

Pinouts:

c. Check 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 B4, B5, B6 and B7 ECU connectors.
e. Reconnect the 1A, 1D, 1F, 1M and IO J/B connectors.

Pinouts:

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

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