Terminals Of Ecu

INSPECT TVIP ECU

Fig 1: Identifying TVIP ECU Terminal Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the T3 ECU connector.
2. Measure the resistance and voltage of the connector.
  Standard:
  
  Fig 2: Identifying Wiring Color Condition Chart (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, there may be a malfunction on the wire harness side.
  1. Reconnect the T3 ECU connector. Measure the resistance of the terminals.
  2. Measure the resistance and voltage of connectors.
Standard:

Fig 3: Identifying Wiring Color Condition Chart (2 Of 2)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, the TVIP ECU may have a malfunction.
INSPECT INTEGRATION RELAY

Fig 4: Identifying Integration Relay Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the 112 relay connector.
2. Measure the resistance of the connector.
Fig 5: Identifying Wiring Color Condition Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, there may be a malfunction on the wire harness side.
INSPECT INSTRUMENT PANEL J/B (INTEGRATION RELAY)

Fig 6: Identifying Instrument Panel J/B Terminal Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the ID J/B connector of the instrument panel J/B.
2. Measure the resistance of the wire harness side connector.
Standard:

Fig 7: Identifying Wiring Color Condition Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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