Lexus IS250 · Service Manual BODY

HOW TO PROCEED WITH TROUBLESHOOTING

Troubleshooting

HINT:
  1. Use this procedure to troubleshoot the power mirror control system.
  2. The intelligent tester should be used in steps 3 and 5.


1.VEHICLE BROUGHT TO WORKSHOP
    NEXT

    2.CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK
      NEXT

      3.CHECK COMMUNICATION FUNCTION OF BODY MULTIPLEX COMMUNICATION SYSTEM (BEAN)

        HINT:
        Click here

      1. Use the intelligent tester to check for normal function of the multiplex communication system.

        1. (ECU unconnected, communication line malfunctioning) If no codes are output, proceed to A.

        2. (ECU unconnected, communication line malfunctioning) If any codes are output, proceed to B.


      		 B.
      A

      4.PROBLEM SYMPTOMS TABLE

        HINT:
        Click here

      NEXT

      5.OVERALL ANALYSIS AND TROUBLESHOOTING

      1. Data list / Active test

        HINT:
        Click here

      2. Circuit inspection

      3. Terminals of ECU

        HINT:
        Click here

      NEXT

      6.ADJUST, REPAIR OR REPLACE
        NEXT

        ← SYSTEM DESCRIPTIONPROBLEM SYMPTOMS TABLE →