Active Control Engine Mount (ACM) System

• Component Location Index
• General Troubleshooting Information
  • Intermittent Failures
  • Opens and Shorts
  • How to Use the HDS (Honda Diagnostic System)
  • HDS Clear Command
  • DTC Clear
  • ACM Reset
  • How To Troubleshoot Circuits At the Engine Mount Control Unit
    • Special Tools Required
• DTC Troubleshooting Index
• System Description
  • Overview
• Circuit Diagram
• DTC Troubleshooting
  • DTC P0A14, P0AB6: Front Engine Mount Actuator Circuit Malfunction; Rear Engine Mount Actuator Circuit Malfunction
  • DTC P0A15, P0AB7: Front Engine Mount Actuator Control Circuit Low Current; Rear Engine Mount Actuator Control Circuit Low Current
  • DTC P15AB: Engine Mount Control Unit Power Source Circuit Low Voltage
  • DTC P15AE: Cylinder Pause Signal 1 Malfunction
  • DTC P15B0, P15C0: CKP Sensor Signal Malfunction; CKP Sensor Signal Intermittent Interruption
  • DTC P15BD: Cylinder Pause Signal 2 Malfunction
  • DTC P15BE, P15BF: CMP Sensor Signal Malfunction; CMP Sensor Signal Intermittent Interruption
  • DTC P16C4: Engine Mount Actuator Control Power Circuit Stuck OFF
  • DTC P16C5: Engine Mount Actuator Control Power Circuit Stuck ON
  • DTC P16C6: Engine Mount Actuator High Voltage During Function Test
  • DTC U0029, U0100: F-CAN Malfunction (BUS-OFF); F-CAN Malfunction (Engine Mount Control Unit-PCM)
• Symptom Troubleshooting
  • Harsh Engine Vibrations Felt In the Passenger's Compartment
• Engine Mount Control Unit Replacement