Terminals Of Ecu

WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

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

Fig 1: Identifying Instrument Panel J/B Assy (Multiplex Network Body ECU)
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Disconnect the B6, B7, B8 and B9 ECU connectors.
Disconnect the 2A, 2D, 2F and 2M J/B connectors.
Measure the voltage and resistance of the wire harness side connectors.
Standard:

Fig 2: Checking Instrument Panel J/B Assy (Multiplex Network Body ECU) Table
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Reconnect the B6, B7, B8 and B9 ECU connectors.
Reconnect the 2A, 2D, 2F and 2M J/B connectors.
Measure the voltage of the connectors.
Standard:

Fig 3: Measuring Voltage Between Each Terminal Of Connectors & Body Ground Table
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If the result is not as specified, there may be a malfunction on the J/B assy (multiplex network body ECU).