Inspection Procedure

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

CHECK AND REPLACE OUTER REAR VIEW MIRROR ASSY LH
1. Disconnect the M2 outer mirror control ECU connector, and check that the mirror operates when the battery positive voltage is applied to the wire harness side.
  
  Fig 1: Checking Outer Rear View Mirror Assy LH (M2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard
  
  Fig 2: Outer Rear View Mirror LH Standard Voltage Specification Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK: REPLACE OUTER MIRROR CONTROL ECU ASSY
  
  NG: Go to next step.
INSPECT OUTER REAR VIEW MIRROR ASSY LH
1. Disconnect the M3 outer rear view mirror connector, and check that the mirror operates when the battery positive voltage is applied to the wire harness side.
  
  Fig 3: Inspecting Outer Rear View Mirror Assy LH
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard
  
  Fig 4: Outer Rear View Mirror Assy LH Standard Voltage Specification Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NG: REPLACE OUTER REAR VIEW MIRROR ASSY LH
  
  OK: Go to next step.
CHECK WIRE HARNESS (OUTER MIRROR CONTROL ECU - OUTER REAR VIEW MIRROR LH)
1. Disconnect the M3 outer rear view mirror and M2 outer mirror control ECU connectors.
2. Check the continuity between the disconnected connectors.
  Standard
  
  Fig 6: Wire Harness Continuity Specification Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR
  
  OK: REPLACE OUTER MIRROR CONTROL ECU ASSY
CHECK OUTER REAR VIEW MIRROR ASSY RH
1. Disconnect the M2 outer mirror control ECU connector, and then check that the mirror operates when the battery positive voltage is applied to the wire harness side.
  
  Fig 7: Checking Outer Rear View Mirror Assy RH
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard
  
  Fig 8: Outer Rear View Mirror RH Standard Voltage Specification Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK: REPLACE OUTER REAR VIEW MIRROR ASSY RH
  
  NG: Go to next step.
INSPECT OUTER REAR VIEW MIRROR ASSY RH
1. Disconnect the M4 outer rear view mirror connector, a then check that the mirror operates when the battery positive voltage is applied to the wire harness side.
  
  Fig 9: Inspecting Outer Rear View Mirror Assy RH
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard
  
  Fig 10: Outer Rear View Mirror RH Standard Voltage Specification Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NG: REPLACE OUTER REAR VIEW MIRROR ASSY RH
  
  OK: Go to next step.
CHECK WIRE HARNESS (OUTER MIRROR CONTROL ECU - OUTER REAR VIEW MIRROR RH)
1. Disconnect the M4 outer rear view mirror and M2 out mirror control ECU connectors.
2. Check the continuity between the disconnected connectors.
  Standard
  
  Fig 12: Wire Harness Continuity Specification Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR
  
  OK: REPLACE OUTER MIRROR CONTROL ECU ASSY