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Home >> Toyota >> 2017 >> RAV4 Hybrid Limited >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostics - Introduction - (Hybrid) >> Pre-Collision System >> How To Proceed With Troubleshooting [10/2015 - ] >> Procedure

How To Proceed With Troubleshooting [10/2015 - ]: Procedure

  1. VEHICLE BROUGHT TO WORKSHOP 

    Result: 

    NEXT 

    See step  2

  2. INSPECT AUXILIARY BATTERY VOLTAGE 
    1. Measure the auxiliary battery voltage with the power switch off.

      Standard voltage

      11 to 14 V

      If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.

    Result: 

    NEXT 

    See step  3

  3. INSPECT MILLIMETER WAVE RADAR SENSOR ASSEMBLY (FRONT BEAM AXIS MISALIGNMENT READING)* 
    1. Adjust the reflector height.

      Refer to ADJUSTMENT [10/2015 - ]

    2. Place the reflector.

      Refer to ADJUSTMENT [10/2015 - ]

    3. Connect the Techstream to the DLC3.
    4. Turn the power switch on (IG).
    5. Turn the Techstream on.
    6. Turn the cruise control switch (ON/OFF button) on.
    7. Enter the following menus: Body Electrical / Pre-Crash 2 / Utility / Front Beam Axis Misalignment Reading.
    8. Check the amount of misalignment and make a note.

      Body Electrical > Pre-Collision 2 > Utility 

      Tester Display
      Front Beam Axis Misalignment Reading
    9. Enter the following menus: Body Electrical / Pre-Collision 2 / Utility / Front Beam Axis Offset Reading.
    10. Check the amount of misalignment and make a note.

      Body Electrical > Pre-Collision 2 > Utility 

      Tester Display
      Front Beam Axis Offset Reading

    Result: 

    NEXT 

    See step  4

  4. CHECK CAN COMMUNICATION SYSTEM* 
    1. Use the Techstream to check if the CAN communication system is functioning normally.

      Refer to DIAGNOSIS SYSTEM [10/2015 - 08/2016] or DIAGNOSIS SYSTEM [08/2016 - ]

      Result

      Result Proceed to
      CAN communication system DTCs are not output A
      CAN communication system DTCs are output B

    Result: 

    B 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] 

    Result: 

    A 

    See step  5

  5. INSPECT WARNING LIGHT 
    1. Check the condition of the warning lights on the combination meter assembly.

      Result

      Result Proceed to
      Only the PCS warning light is blinking A
      The PCS warning light is not blinking
      The PCS warning light and other warning lights are illuminated or blinking B

    Result: 

    B 

    GO TO MALFUNCTIONING SYSTEM 

    Result: 

    A 

    See step  6

  6. INSPECT MULTI-INFORMATION DISPLAY 
    1. Check if a pre-collision system warning message is displayed on the multi-information display in the combination meter assembly.

      Result

      Result Proceed to
      "Pre-collision System Malfunction Visit Your Dealer" is displayed A
      "Pre-collision System Unavailable", "Pre-collision System Unavailable Clean Sensor". "Pre-collision System Unavailable". "Forward Camera Systems Unavailable Clean Windshield" or "Forward Camera Systems Unavailable" is displayed B
      Warning message is not displayed C

    Result: 

    B 

    GO TO PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2015 - ]  

    Result: 

    C 

    GO TO CONDITIONS WHEN PRE-COLLISION SYSTEM DID NOT OPERATE 

    Result: 

    A 

    See step  7

  7. CHECK FOR DTCs* 
    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [10/2015 - ] 

      Body Electrical > Pre-Collision 2 > Trouble Codes 

    2. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [10/2015 - ] 

      1. Record the DTCs.

        Body Electrical > Pre-Collision 2 > Clear DTCs 

    3. Recheck for DTCs.

      Refer to DTC CHECK / CLEAR [10/2015 - ] 

      Body Electrical > Pre-Collision 2 > Trouble Codes 

    4. Attempt to duplicate the malfunction and check if the DTCs are output again.

      Refer to DTC CHECK / CLEAR [10/2015 - ] 

      Result

      Result Proceed to
      DTCs are not output A
      DTCs are output B
      No DTCs are output, and malfunction cannot be duplicated or checked C

    Result: 

    B 

    GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2015 - ]  

    Result: 

    C 

    GO TO SYMPTOM SIMULATION. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - 08/2016]  or  HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - ] 

    Result: 

    A 

    See step  8

  8. PROBLEM SYMPTOMS TABLE 

    HINT: 

    Refer to Problem Symptoms Table.

    Refer to PROBLEM SYMPTOMS TABLE [10/2015 - ] 

    Result

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

    Result: 

    B 

    ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE 

    Result: 

    A 

    See step  9

  9. OVERALL ANALYSIS AND TROUBLESHOOTING* 
    1. Terminals of ECU

      Refer to TERMINALS OF ECU [10/2015 - ] 

    2. Data List / Active Test

      Refer to DATA LIST / ACTIVE TEST [10/2015 - ] 

    Result: 

    NEXT 

    See step  10

  10. ADJUST, REPAIR OR REPLACE 

    HINT: 

    Perform proper procedures according to corresponding faults listed in the problem symptoms table or the corresponding DTCs listed in the diagnostic trouble code chart.

    NOTE:
    • If the millimeter wave radar sensor assembly is replaced, the beam axis of the sensor needs to be adjusted.

      Refer to ADJUSTMENT [10/2015 - ]

    • If the driving support ECU assembly is replaced, initialization needs to be performed.

      Refer to INSTALLATION [10/2015 - ]

    Result: 

    NEXT 

    See step  11

  11. CONFIRMATION TEST 

    Result: 

    NEXT 

    END 

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