Terminals Of Ecu

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

INSPECT INTEGRATION RELAY

Fig 1: Inspecting Integration Relay
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the connector and check the continuity of each terminal of the disconnected connector.
  Standard:
  
  Fig 2: Continuity Terminal Connector Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  It the result is not as specified, the vehicle's side may malfunction.
2. Reconnect the connector and check each terminal.
  Standard:
  
  Fig 3: Connector Terminal Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, the integration relay may malfunction.
INSPECT INSTRUMENT PANEL J/B (INTEGRATION RELAY)

Fig 4: Locating Instrument Panel Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Inspect the DOOR fuse.
2. Disconnect connectors ID, IF, IH and IJ of the instrument panel J/B.
3. Check each terminal of the disconnected connectors.
  Standard:
  
  Fig 5: Connector Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, the vehicle's side may malfunction.
4. Reconnect the connectors and check each terminal.
  Standard:
  
  Fig 6: Connectors Terminal Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, the instrument panel J/B (integration relay) assembly may malfunction.