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Home >> Land Rover >> 2021 >> Range Rover Velar R-Dynamic HSE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine - INGENIUM I4 2.0L Petrol/INGENIUM I4 2.0L Petrol PHEV -- Range Rover Velar/L560 (Specifications - Removal & Installation))) >> Engine - INGENIUM I4 2.0L Petrol/INGENIUM I4 2.0L Petrol - PHEV >> General Procedures >> Active Engine Mount - Vacuum Check (G2688120) >> Check

Active Engine Mount - Vacuum Check (G2688120): Check

WARNING: This page is about a different variant/trim than selected.
    • If the engine management lamp ON  , continue to step
    • If the engine management lamp is NOT ON  , continue to step 2.
  2. Raise and support the vehicle on a suitable 2 post lift.

    Refer to: LIFTING .

  3. Remove the engine undershield.

    Refer to: ENGINE UNDERSHIELD .

  4. NOTE: Check the vacuum pipe(s) and connections are tight and there are no signs of leakage.
    G14049330Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Disconnect the vacuum line directly from the right active engine mount.

  5. G11996439Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Inspect the right active engine mount switch positions.
    • If the right active engine mount switch clearly is not visible as shown in illustration E222279, continue to step 5.
    • If the right active engine mount switch is clearly visible as shown in illustration E222279, replace the right active engine mount and continue to step 5.

      Refer to the appropriate service information.

  6. G14049332Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Using the Jaguar Land Rover approved vacuum testing equipment, connect to the right active engine mount and check that the active engine mount holds vacuum. The engine mount should generate a vacuum of 0.4 bar and then be able to hold the vacuum for 30 seconds.
    • If the right active engine mount holds vacuum for 30 seconds, continue to step  13.
    • If the right active engine mount does not hold vacuum for 30 seconds, replace the right active engine mount and continue to step  13.

      Refer to the appropriate service information.

  7. NOTE: Check the vacuum pipe(s) and connections are tight and there are no signs of leakage.
    G14049330Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Reconnect the vacuum line directly from the right active engine mount.

  8. NOTE: Check the vacuum pipe(s) and connections are tight and there are no signs of leakage.
    G14054677Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Disconnect the vacuum line that is clipped to the subframe.
    • Connect the Jaguar Land Rover approved vacuum testing equipment to the left vacuum pipe.
  9. Lower the vehicle.
  10. Install exhaust extractors to the vehicle.
  11. Start the engine and allow to idle.
  12. Raise the vehicle.
    • Using the Jaguar Land Rover approved vacuum testing equipment, check that the active engine mount system pulls vacuum. The active engine mount system should pull a vacuum greater than 0.75 bar and then be able to hold that vacuum for 30 seconds.
    • If the active engine mount system pulls a vacuum for 30 seconds, continue to the next step.
    • If the active engine mount system does not pull vacuum for 30 seconds, continue to step  16.
  14. NOTE: Check the vacuum pipe(s) and connections are tight and there are no signs of leakage.
    G14054677Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Remove the Jaguar Land Rover approved vacuum testing equipment from the left vacuum pipe.
    • Reconnect the vacuum pipe that is clipped to the subframe.
    • Lower the vehicle and switch off the engine.
    • Install the engine undershield.

      Refer to: ENGINE UNDERSHIELD .

    • The active engine mount vacuum check is complete and the vehicle has passed.
  16. Lower the vehicle and switch off the engine.
  17. Remove the front left fender splash shield.

    Refer to: FRONT WHEEL ARCH LINER .

  18. G14049330Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Disconnect the vacuum line directly from the left active engine mount.

  19. G11996439Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Inspect the left active engine mount switch positions.
    • If the right active engine mount switch clearly is not visible as shown in illustration E222279, continue to step  18.
    • If the right active engine mount switch is clearly visible as shown in illustration E222279, replace the right active engine mount and continue to step  5.

      Refer to the appropriate service information.

  20. G14049332Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Using the Jaguar Land Rover approved vacuum testing equipment, connect to the left active engine mount and check that the active engine mount holds vacuum. The engine mount should generate a vacuum of 0.4 bar and then be able to hold the vacuum for 30 seconds.
    • If the left active engine mount holds vacuum for 30 seconds, continue to step  19.
    • If the left active engine mount does not hold vacuum for 30 seconds, replace the left active engine mount and retest.

      Refer to the appropriate service information.

  21. NOTE: Check the vacuum pipe(s) and connections are tight and there are no signs of leakage.
    G14049330Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Reconnect the vacuum line directly from the left active engine mount.

  22. NOTE: Check the vacuum pipe(s) and connections are tight and there are no signs of leakage.
    G14054683Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Disconnect the vacuum pipe from the active engine mount solenoid valve.

  23. G14054684Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Disconnect the active engine mount solenoid electrical connector and remove the bolt.

    • Connect the Jaguar Land Rover (JLR) approved battery support unit.

      General Equipment: Jaguar Land Rover approved battery support unit 

    • Connect the JLR  approved diagnostic equipment.

      General Equipment: Jaguar Land Rover approved diagnostic equipment 

    • Read the Diagnostic Trouble Code(s) (DTC) in the Powertrain Control Module (PCM).
  25. G14049338Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • If DTC  P0A14-13 Engine Mount "A" Control Circuit/Open - Circuit open, continue to step 26.
    • If DTC  P0A15-11 Engine Mount "A" Control Circuit Low - Circuit short to ground, continue to step  27.
    • If DTC  P0A16-12 Engine Mount "A" Control Circuit High - Circuit short to battery, continue to step  28.
    • If DTC  P0A16-4B Engine Mount "A" Control Circuit High - Over temperature, continue to step  29.
    • If none of the above DTC  are present, continue to step  30 and replace the active engine mount solenoid.
  26. G14049339Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Illustration E264864 shows the connector pin number location. Using a multi meter connect the positive probe to the back of pin 1 connector C1E925-1 and the negative probe to body ground
    • If a fault is present refer to the appropriate wiring diagram for Electronic Engine Controls. Check the wiring between connectors C1E925-1 and C1BB03AD-7, then check the wring between connectors C1E925-2 and connector C1E116BD-91. Repair wiring harness, clear the DTC  and retest.

      Refer to: WIRING HARNESS OVERLAY .

    • If there is not a fault with the wiring continue step  30 and replace the active engine mount solenoid.
  27. G14049340Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Illustration E264864 shows the connector pin number location. Using a multi meter connect the positive probe to the back of pin 1 connector C1E925-1 and the negative probe to body ground.
    • If a fault is present refer to the appropriate wiring diagram for Electronic Engine Controls. Check the wiring between connector C1E925-1 and C1BB03AD-7, then check the wiring between connectors C1E925-2 and C1E116BD-91. Repair the wiring harness, clear the DTC  and retest.

      Refer to: WIRING HARNESS OVERLAY .

    • If there is not a fault with the wiring continue step  30 and replace the active engine mount solenoid.
  28. G14049341Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Illustration E264864 shows the connector pin number location. Using a multi meter connect the positive probe to the back of connector C1E925-2 pin 2 and the negative probe to the connector pin terminal C1E116BD-91 and check for voltage.
    • If a fault is present refer to the appropriate wiring diagram for Electronic Engine Controls. Check the wiring between connectors C1E925-1 and C1BB03AD-7, then check the wiring between connectors C1E925-2 and C1E116BD-91. Repair the wiring harness, clear the DTC  and retest.

      Refer to: WIRING HARNESS OVERLAY .

    • If there is not a fault with the wiring continue step  30 and replace the active engine mount solenoid.
  29. G14049342Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Illustration E264864 shows the connector pin number location. Using a multi meter connect the positive probe to the back of pin 2 C1E925-2 and the negative probe to body ground..
    • If a fault is present refer to the appropriate wiring diagram for Electronic Engine Controls. Check the wiring between connectors C1E925-1 and C1BB03AD-7, then check the wiring between connectors C1E925-2 and C1E116BD-91. Repair the wiring harness, clear the DTC  and retest.

      Refer to: WIRING HARNESS OVERLAY .

    • If there is not a fault with the wiring continue step 30 and replace the active engine mount solenoid.
  30. G14054684Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Install the new active engine mount solenoid.
    • Install the bolt.

      Torque  : 12 Nm 

    • Connect the active engine mount solenoid electrical connector.
  31. G14054683Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Connect the vacuum pipe to the active engine mount solenoid valve.
    • Continue step  8 and retest the active engine mount system.
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