RX400h · Service Manual BODY ELECTRICAL

HOW TO PROCEED WITH TROUBLESHOOTING

Troubleshooting

HINT:
  1. Use these procedures to troubleshoot the key reminder warning system.
  2. The intelligent tester should be used in steps 3 and 5.


1.VEHICLE BROUGHT TO WORKSHOP
    NEXT

    2.INSPECT BATTERY VOLTAGE

      Standard Voltage:
      11 to 14 V
      If the voltage is below 11 V, recharge or replace the battery before proceeding.

    NEXT

    3.INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)

    1. Use the intelligent tester to check if the Multiplex Communication System (MPX) is functioning normally.

      Result:
      Result
      		 Proceed to
      MPX DTC is not output
      		 A
      MPX DTC is output
      		 B


    		B.
    A

    4.PROBLEM SYMPTOMS TABLE

      Result:
      Result
      		 Proceed to
      Fault is not listed on problem symptoms table
      		 A
      Fault is listed on problem symptoms table
      		 B


    		B.
    A

    5.OVERALL ANALYSIS AND TROUBLESHOOTING

    1. Terminals of ECU(Click here)

    2. DATA LIST/ACTIVE TEST(Click here)

    NEXT

    6.REPAIR OR REPLACE
      NEXT

      7.CONFIRMATION TEST
        NEXT

        ← SYSTEM DESCRIPTIONOPERATION CHECK →