Audible Warning Device Control Module: Testing and Inspection
TERMINALS OF ECUTerminals Of Control Module/Pinouts:
1. INSPECT INSTRUMENT PANEL J/B ASSY (MULTIPLEX NETWORK BODY ECU)
a. Disconnect the B4, 1D, 1F and 1M J/B connectors.
b. 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.
c. Reconnect the J/B connectors and check the voltage of the terminal of the connector.
If the result is not as specified, instrument panel J/B assy (body ECU) may have a malfunction.