LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> RX 400h AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 332 (Brake Control) >> Vehicle Stability Control System >> How To Proceed With Troubleshooting
April 5, 2026: LEMON Manuals is launched! Read the announcement.

How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

  1. VEHICLE BROUGHT TO WORKSHOP 
  2. INSPECT BATTERY VOLTAGE 

    Standard voltage: 11 to 14 V 

    If the voltage is below 11 V, recharge or replace the battery before proceeding.

  3. CHECK AND CLEAR DTC* 
  4. PROBLEM SYMPTOM CONFIRMATION 

    Result 

    DTC RESULT DESCRIPTION

    Result Proceed to
    Symptom does not occur A
    Symptom occurs B

    B: Go to step   7

    A: Go to next step. 

  5. SYMPTOM SIMULATION 
  6. CHECK COMMUNICATION FUNCTION OF CONTROLLER AREA NETWORK (CAN)* 
    1. Use Techstream to check for normal functioning of the CAN communication system.
      1. Perform bus check (communication malfunction DTC).

        Result 

        DTC RESULT DESCRIPTION

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

    B: Go to CAN COMMUNICATION SYSTEM

    A: Go to next step. 

  7. CHECK FOR DTC* 

    Result 

    DTC RESULT DESCRIPTION

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

    B: Go to step  10

    A: Go to next step. 

  8. PROBLEM SYMPTOMS TABLE 

    Result 

    DTC RESULT DESCRIPTION

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

    B: Go to step   10

    A: Go to next step. 

  9. OVERALL ANALYSIS AND TROUBLESHOOTING 
    1. Terminals of ECU (see TERMINALS OF ECU  )
    2. Data List / Active Test (see DATA LIST / ACTIVE TEST  )

    NEXT: Go to step   11

  10. CHECK FOR FLUID LEAKAGE 
  11. REPAIR OR REPLACE 
  12. CONFIRMATION TEST 

    NEXT: END