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Home >> Toyota >> 2020 >> RAV4 XLE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 64 (Heating / Air Conditioning System (HV) - Diagnostic Codes (3 Of 3) & Symptom Tests) >> AIR CONDITIONING SYSTEM (for HV Model) >> No Cooling at All [02/2019 - ] >> Procedure

No Cooling at All [02/2019 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK AIR CONDITIONING CONTROL ASSEMBLY (SWITCH INDICATOR) 
    1. Operate each switch on the air conditioning control assembly to check that the switch indicators are illuminated normally.

      OK

      Switch indicators are illuminated normally.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO OPERATION NOT ACCEPTED EVEN IF AIR CONDITIONING SWITCH IS OPERATED. Refer to  Operation not Accepted Even If Air Conditioning Switch is Operated [02/2019 - ]  

    Result: 

    OK 

    See step  2

  2. PERFORM ACTIVE TEST USING TECHSTREAM (SERVO PULSE) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Air Conditioner / Active Test.
    5. Check the operation by referring to the table below.

      Body Electrical > Air Conditioner > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Air Mix Servo Targ Pulse(D) No. 1 air conditioning radiator damper servo sub-assembly (driver side air mix) pulse Min.: 128
      Max.: 383
      Operates between 165 to 257 pulses
      Air Mix Servo Targ Pulse(P) No. 1 air conditioning radiator damper servo sub-assembly (front passenger side air mix) pulse Min.: 128
      Max.: 383
      Operates between 255 to 347 pulses

      Body Electrical > Air Conditioner > Active Test 

      Tester Display
      Air Mix Servo Targ Pulse(D)

      Body Electrical > Air Conditioner > Active Test 

      Tester Display
      Air Mix Servo Targ Pulse(P)

      OK

      Damper servo motor is operated.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    GO TO ON-VEHICLE INSPECTION. Refer to  PROCEDURE - Step 2 

    Result: 

    NG 

    GO TO DIAGNOSTIC TROUBLE CODE CHART (FOR SERVO MOTOR OF APPLICABLE ABNORMAL OPERATION). Refer to  DIAGNOSTIC TROUBLE CODE CHART [02/2019 - 06/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [06/2020 - 08/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2020 - ]