LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2020 >> RAV4 XLE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 179 (Smart Key System (For Entry, HV) - Symptom Tests (3 Of 3)) >> SMART KEY SYSTEM (for Entry Function, HV Model) >> Entry Exterior Alarm and Answer-back Buzzer do not Sound [10/2023 - 11/2024] >> Procedure

Entry Exterior Alarm and Answer-back Buzzer do not Sound [10/2023 - 11/2024]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK CUSTOMIZE SETTING (WIRELESS BUZZER RESPONSE FUNCTION, WIRELESS BUZZER RESP) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Customize Setting / Wireless Door Lock.

      Wireless Door Lock 

      Tester Display Description Default Setting ECU
      Wireless Buzzer Response Function Wireless buzzer response*1 Enable $00:Disable,$01:Enable Main body ECU (multiplex network body ECU)
      Wireless Buzzer Resp Wireless buzzer response*2 ON 0:OFF, 1:ON Main body ECU (multiplex network body ECU)
      1. *1: for Type A
      2. *2: for Type B

      Result

      Result Proceed to
      The customize setting is "ON" or "Enable" A
      The customize setting is "OFF" or "Disable" B

    Result: 

    B 

    PERFORM CUSTOMIZE SETTING 

    Refer to CUSTOMIZE PARAMETERS [10/2023 - 11/2024]

    Result: 

    A 

    See step  2

  2. CHECK WIRELESS DOOR LOCK CONTROL SYSTEM 
    1. Check that the function operates normally.

      Refer to OPERATION CHECK [10/2023 - 11/2024]

      Result

      Result Proceed to
      Wireless door lock function operates normally A
      Wireless door lock function does not operate normally B

    Result: 

    B 

    GO TO PROBLEM SYMPTOMS TABLE 

    Refer to PROBLEM SYMPTOMS TABLE [02/2019 - ]

    Result: 

    A 

    See step  3

  3. READ VALUE USING TECHSTREAM (EACH UNLOCK DETECTION SWITCH) 
    1. Enter the following menus: Body Electrical / Main Body / Data List.
    2. Read the Data List according to the display on the Techstream.

      for Type A:

      Body Electrical > Main Body > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      FR Door Lock Position Switch Status Front door RH unlock detection switch signal Lock or Unlock Lock: Front door RH locked
      Unlock: Front door RH unlocked      		 -
      FL Door Lock Position Switch Status Front door LH unlock detection switch signal Lock or Unlock Lock: Front door LH locked
      Unlock: Front door LH unlocked      		 -
      RR Door Lock Position Switch Status Rear door RH unlock detection switch signal Lock or Unlock Lock: Rear door RH locked
      Unlock: Rear door RH unlocked      		 -
      RL Door Lock Position Switch Status Rear door LH unlock detection switch signal Lock or Unlock Lock: Rear door LH locked
      Unlock: Rear door LH unlocked      		 -

      Body Electrical > Main Body > Data List 

      Tester Display
      FR Door Lock Position Switch Status
      FL Door Lock Position Switch Status
      RR Door Lock Position Switch Status
      RL Door Lock Position Switch Status

      for Type B:

      Body Electrical > Main Body > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      FR Door Lock Pos Front door RH unlock detection switch signal UNLOCK or LOCK UNLOCK: Front door RH unlocked
      LOCK: Front door RH locked      		 -
      FL Door Lock Pos Front door LH unlock detection switch signal UNLOCK or LOCK UNLOCK: Front door LH unlocked
      LOCK: Front door LH locked      		 -
      RR-Door Lock Pos SW Rear door RH unlock detection switch signal OFF or ON OFF: Rear door RH locked
      ON: Rear door RH unlocked      		 -
      RL-Door Lock Pos SW Rear door LH unlock detection switch signal OFF or ON OFF: Rear door LH locked
      ON: Rear door LH unlocked      		 -

      Body Electrical > Main Body > Data List 

      Tester Display
      FR Door Lock Pos
      FL Door Lock Pos
      RR-Door Lock Pos SW
      RL-Door Lock Pos SW

      OK

      The Techstream display changes correctly in response to the lock/unlock operation.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO LIGHTING SYSTEM (Proceed to Door Unlock Detection Switch Circuit) 

    Refer to Door Unlock Detection Switch Circuit [10/2023 - 11/2024]

    Result: 

    OK 

    See step  4

  4. PERFORM ACTIVE TEST USING TECHSTREAM (WIRELESS BUZZER) 
    1. Enter the following menus: Body Electrical / Main Body / Active Test.
    2. Perform Active Test according to the display on the Techstream.

      for Type A:

      Body Electrical > Main Body > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Wireless Buzzer Wireless door lock buzzer OFF/ON -

      Body Electrical > Main Body > Active Test 

      Tester Display
      Wireless Buzzer

      for Type B:

      Body Electrical > Main Body > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Wireless Buzzer Wireless door lock buzzer OFF/ON -

      Body Electrical > Main Body > Active Test 

      Tester Display
      Wireless Buzzer

      Result

      Result Proceed to
      Wireless door lock buzzer does not sound A
      Wireless door lock buzzer sounds B

    Result: 

    A 

    GO TO WIRELESS DOOR LOCK CONTROL SYSTEM (NO ANSWER-BACK) 

    Refer to No Answer-Back [10/2023 - 11/2024]

    Result: 

    B 

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 

    Refer to REMOVAL [10/2023 - ]

scientia non olet · About LEMON Manuals