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Home >> Acura >> 2012 >> ZDX >> Repair and Diagnosis (Single Page) >> Suspension >> Wheels & Tire System >> Active Damper System >> DTC Troubleshooting >> DTC 6-1: Active Damper Control Unit Internal Right-Front Damper Coil Drive Circuit Current Lower Than Expected; DTC 6-2: Active Damper Control Unit Internal Left-Front Damper Coil Drive Circuit Current Lower Than Expected; DTC 6-3: Active Damper Control Unit Internal Right-Rear Damper Coil Drive Circuit Current Lower Than Expected; DTC 6-4: Active Damper Control Unit Internal Left-Rear Damper Coil Drive Circuit Current Lower Than Expected
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DTC 6-1: Active Damper Control Unit Internal Right-Front Damper Coil Drive Circuit Current Lower Than Expected; DTC 6-2: Active Damper Control Unit Internal Left-Front Damper Coil Drive Circuit Current Lower Than Expected; DTC 6-3: Active Damper Control Unit Internal Right-Rear Damper Coil Drive Circuit Current Lower Than Expected; DTC 6-4: Active Damper Control Unit Internal Left-Rear Damper Coil Drive Circuit Current Lower Than Expected

  1. Press the engine start/stop button to select the OFF mode.
  2. Disconnect the appropriate damper coil 2P connector: Front (see step 3 on REMOVAL ), rear (see step 3 on REMOVAL ), then reconnect the connector.
    DTC Damper Coil
    6-1 Right-front
    6-2 Left-front
    6-3 Right-rear
    6-4 Left-rear
  3. Press the engine start/stop button to select the ON mode.
  4. Clear the DTC with the HDS.
  5. Press the engine start/stop button to select the OFF mode.
  6. Start the engine.
  7. Do the DAMPER FORCE OPERATION TEST in the FUNCTIONAL TESTS MENU with the HDS.
  8. Check for DTCs with the HDS.

    Is DTC 6-1, 6-2, 6-3, or 6-4 indicated? 

    YES  -Go to step 9.

    NO  -Intermittent failure, the system is OK at this time. Refer to INTERMITTENT FAILURES TROUBLESHOOTING  .

  9. Press the engine start/stop button to select the OFF mode.
  10. Disconnect active damper control unit connector A (20P) (see ACTIVE DAMPER CONTROL UNIT REPLACEMENT  ).
  11. Measure the resistance between the appropriate active damper control unit connector A (20P) terminals.
    DTC Active Damper Control Unit Connector A (20P) Terminal
    6-1 No. 6 No. 16
    6-2 No. 4 No. 14
    6-3 No. 2 No. 12
    6-4 No. 1 No. 11
    Fig 1: Measuring Resistance Between Active Damper Control Unit Connector A (20P) Terminals
    G08073466Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is the resistance between 0.6-2.0 Ω? 

    YES  -Replace the active damper control unit (see ACTIVE DAMPER CONTROL UNIT REPLACEMENT  ), then go to step  15.

    NO  -Go to step 12.

  12. Disconnect the appropriate damper coil 2P connector: Front (see step 3 on REMOVAL ), rear (see step 3 on REMOVAL ).
    DTC Damper Coil
    6-1 Right-front
    6-2 Left-front
    6-3 Right-rear
    6-4 Left-rear
  13. On the damper, measure the resistance between appropriate damper coil terminals No. 1 and No. 2.
    Fig 2: Measuring Resistance Between Damper Coil Terminals No. 1 And No. 2
    G08073467Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is the resistance between 0.4-1.5 Ω? 

    YES  -Go to step 14.

    NO  -Replace the appropriate damper unit: Front (see DAMPER/SPRING REMOVAL AND INSTALLATION ), rear (see DAMPER REPLACEMENT ) then go to step  15.

  14. Check for continuity between the appropriate active damper control unit connector A (20P) terminal and appropriate damper coil 2P connector terminal No. 1.
    DTC Active Damper Control Unit Connector A (20P) Terminal Damper Coil
    6-1 No. 6 Right-front
    6-2 No. 4 Left-front
    6-3 No. 2 Right-rear
    6-4 No. 1 Left-rear
    Fig 3: Checking Continuity Between Active Damper Control Unit Connector A (20P) Terminal And Damper Coil 2P Connector Terminal No. 1
    G08073468Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Repair an open in the wire between appropriate damper coil 2P connector terminal No. 2 and the appropriate active damper control unit connector A (20P) terminal, then go to step 15.

    NO  -Repair an open in the wire between appropriate damper coil 2P connector terminal No. 1 and the appropriate active damper control unit connector A (20P) terminal, then go to step 15.

  15. Reconnect all connectors.
  16. Press the engine start/stop button to select the ON mode.
  17. Clear the DTC with the HDS.
  18. Press the engine start/stop button to select the OFF mode.
  19. Start the engine.
  20. Do the DAMPER FORCE OPERATION TEST in the FUNCTIONAL TESTS MENU with the HDS.
  21. Check for DTCs with the HDS.

    Are any DTCs indicated? 

    YES  -Go to the indicated DTCS TROUBLESHOOTING .

    NO  -Troubleshooting is complete.

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