Terminals Of Ecu

WARNING: This page is about a different car, the 2004 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DRIVER SIDE JUNCTION BLOCK ASSY (BODY ECU)

Fig 1: Identifying Terminals Of ECU Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the IB, IE, IF, IH and IL J/B connectors.
2. Check the voltage or continuity of each terminal of the wire harness side connectors.
Fig 2: Standard
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If the result is not as specified, there may be a malfunction on the wire harness side.
CHECK THEFT WARNING ECU ASSY (THEFT DETERRENT ECU)

Fig 3: Identifying Theft ECU Assembly Connector
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1. Disconnect the T5 ECU connector.
2. Check the voltage or continuity of each terminal of the wire harness side connector.
Fig 4: Standard
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, there may be a malfunction on the wire harness side.
CHECK MULTIPLEX NETWORK DOOR ECU BACK (BACK DOOR ECU)
1. Disconnect the B8 ECU connector.
2. Check the voltage or continuity of each terminal of the wire harness side connector.
Fig 5: Checking Multiplex Network Door ECU (Back Door ECU)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 6: Standard
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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