On-Vehicle Inspection

HINT: 

• This inspection is not for the No. 1 integration relay itself, but for the wire harness that is connected to the No. 1 integration relay. If the result is within the specified condition, the No. 1 integration relay may be malfunctioning.
• If the result is not as specified, a short between No. 1 integration relay and one of the electrical loads is suspected.
• After the wire harness has been repaired, disconnect all connectors that are connected to the No. 1 integration relay, and turn the power switch on (READY) to clear the DTCs.

1. Diagnosis Terminal
   1. Confirm that the system that is malfunctioning.
   2. Make sure that the malfunction is reproduced.
   3. Measure the voltage according to the value(s) in the table below.
      Fig 1: Inspecting No. 1 Integration Relay

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Voltage

      Tester Connection	Condition	Specified Condition
      D1 - Body ground	Power switch on (IG) or (READY)	3.5 to 5.0 V
      D2 - Body ground	Power switch on (IG) or (READY)	3.5 to 5.0 V

      TEXT IN ILLUSTRATION
      
      

      *a	Component with harness connected (No. 1 Integration Relay)

      If the result is not as specified, a short between No. 1 integration relay and one of the electrical loads is suspected.