RX400h · Service Manual BODY ELECTRICAL

HOW TO PROCEED WITH TROUBLESHOOTING

Troubleshooting

HINT:
  1. Use these procedures to troubleshoot the power door lock control system.
  2. The intelligent tester should be used in steps 3 and 5.


1.VEHICLE BROUGHT TO WORKSHOP
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    2.INSPECT BATTERY VOLTAGE

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

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    3.INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE 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)

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    6.REPAIR OR REPLACE
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      7.CONFIRMATION TEST
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