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Home >> Toyota >> 2019 >> RAV4 LE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 137 (Engine Control System (A25A-FXS) (W/ Canister Pump Module) - Diagnostic Codes (12 Of 13)) >> SFI SYSTEM (w/ Canister Pump Module) >> DTC P26CE-37: Engine Coolant Pump Overspeed [06/2020 - 08/2020] >> Procedure
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DTC P26CE-37: Engine Coolant Pump Overspeed [06/2020 - 08/2020]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P26CE-37) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine / Trouble Codes.
    5. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTC P26CE-37 is output A
      DTC P26CE-37 and other DTCs are output B
      DTC P26CE-37 and P26CB-71 are output C

      HINT: 

      • If any DTCs other than P26CE-37 are output, troubleshoot those DTCs first.
      • If both DTC P26CB-71 (pump stuck) and P26CE-37 (pump overspeed) are stored, perform troubleshooting for DTC P26CB-71 first as the engine coolant pump assembly may be stuck.

    Result: 

    B 

    GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [06/2020 - 08/2020] 

    Result: 

    C 

    GO TO DTC P26CB-71. Refer to  DTC P26CB-71: Engine Coolant Pump Actuator Stuck [06/2020 - 08/2020]  

    Result: 

    A 

    See step  2

  2. CHECK ENGINE COOLANT LEVEL IN RESERVOIR TANK 
    1. Check that the engine coolant level is between the FULL and LOW lines.

      Refer to PROCEDURE - Step 2

      Result

      Result Proceed to
      Engine coolant level is above the LOW line A
      Engine coolant level is below the LOW line B

    Result: 

    A 

    See step  6

    Result: 

    B 

    See step  3

  3. CHECK FOR ENGINE COOLANT LEAKS 
    1. Check the areas around the engine and heater for engine coolant leaks.

      Refer to PROCEDURE - Step 1

      HINT: 

      If the engine oil is cloudy during the engine oil level dipstick check, it means that engine coolant has entered the engine lubrication system.

      OK

      No leaks.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  5

    Result: 

    OK 

    See step  4

  4. ADD ENGINE COOLANT 
    1. Fill the reservoir tank up to the FULL line with engine coolant.
      NOTE:

      Make sure not to add engine coolant when the engine is hot.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  5. REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 
    1. Repair any engine coolant leaks.

      HINT: 

      Add engine coolant and perform air bleeding after repair.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  6. BLEED ENGINE COOLANT 
    1. Bleed air from the cooling system.

      Refer to REPLACEMENT [11/2018 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  7

  7. CLEAR DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Clear the DTCs.

      Powertrain > Engine > Clear DTCs 

    5. Turn the ignition switch off and wait for at least 30 seconds.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  8

  8. CHECK WHETHER DTC OUTPUT RECURS (DTC P26CE-37) 
    1. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
    2. Enter the following menus: Powertrain / Engine / Trouble Codes.
    3. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTC P26CB-71 is output B
      DTC P26CE-37 is output C

    Result: 

    A 

    END 

    Result: 

    B 

    GO TO DTC P26CB-71. Refer to  DTC P26CB-71: Engine Coolant Pump Actuator Stuck [06/2020 - 08/2020]  

    Result: 

    C 

    See step  9

  9. BLEED ENGINE COOLANT 
    1. Bleed air from the cooling system.

      Refer to REPLACEMENT [11/2018 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  10

  10. CLEAR DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Clear the DTCs.

      Powertrain > Engine > Clear DTCs 

    5. Turn the ignition switch off and wait for at least 30 seconds.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  11

  11. CHECK WHETHER DTC OUTPUT RECURS (DTC P26CE-37) 
    1. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
    2. Enter the following menus: Powertrain / Engine / Trouble Codes.
    3. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTC P26CE-37 is output B

    Result: 

    A 

    END 

    Result: 

    B 

    See step  12

  12. REPLACE ENGINE WATER PUMP ASSEMBLY (WATER INLET HOUSING) 
    1. Replace the engine water pump assembly (water inlet housing).

      Refer to REMOVAL [10/2019 - 08/2020]

      HINT: 

      When replacing any cooling system parts, if excessive deposits of rust or scale exist or the concentration of the engine coolant is abnormal, replace the engine coolant.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  13

  13. CLEAR DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Clear the DTCs.

      Powertrain > Engine > Clear DTCs 

    5. Turn the ignition switch off and wait for at least 30 seconds.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  14

  14. CHECK WHETHER DTC OUTPUT RECURS (DTC P26CE-37) 
    1. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
    2. Enter the following menus: Powertrain / Engine / Trouble Codes.
    3. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      HINT: 

      If no DTC is output, the repair has been successfully completed.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    END 

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