Continuously Variable Transmission (CVT)

• Special Tools
• General Troubleshooting Information
  • How to Check for DTCs with the Honda Diagnostic System (HDS)
  • Symptom Troubleshooting Versus DTC Troubleshooting
  • How to Check for DTCs with the SCS Mode (retrieving the flash codes)
  • How to Troubleshoot Circuits at the PCM Connectors
  • Clear A/T DTCs Procedure
  • PCM/TCM Reset
  • OBD Status
  • How to End a Troubleshooting Session (required after any troubleshooting)
  • PCM Updating and Substitution for Testing
  • How to Update the PCM
  • Substitute the PCM
  • Failure Reproduction Technique
  • Self-diagnosis
  • Fail-Safe Function
• DTC Troubleshooting Index
• Symptom Troubleshooting Index
• Component Location Index
  • Five-position Transmission
  • Six-position Transmission
• System Description
  • General Operation
    • Notes
    • Transmission
    • Electronic Control
    • Hydraulic Control
    • Shift Control
    • Gear Selection-Five-position Transmission
    • Gear Selection-Six-position Transmission
    • Automatic Transmission (A/T) Gear Position Indicator
  • Clutches/Reverse Brake/Planetary Gear/Pulleys
    • Clutches/Reverse Brake
    • Start Clutch
    • Forward Clutch
    • Reverse Brake
    • Planetary Gear Train
    • Pulleys
  • Power Flow
    • P Position
    • N Position
    • Forward Range; D, S, and L Positions
    • Reverse Range; R position
  • Electronic Control System
    • Electronic Control
    • Pulley Pressure Control/Shift Control
    • Grade Logic Control: Ascending Control
    • Grade Logic Control: Descending Control
    • Shift-Hold Control
    • ECON ON mode
    • Change the shift map
    • Reduce the engine speed increasing ratio
    • D-Paddle Shift Mode
    • S-Paddle Shift Mode
    • Start Clutch Pressure Control
    • PCM CVT Control System Electrical Connections-Five-position Transmission
    • PCM CVT Control System Electrical Connections-Six-position Transmission
    • PCM Inputs and Outputs at Connector A (■) (44P)
    • PCM Inputs and Outputs at Connector B ( ) (44P)
    • PCM Inputs and Outputs at Connector C (◦) (44P)
  • Hydraulic Control
    • Notes
    • Main Valve Body
    • Secondary Valve Body
    • CVT Driven Pulley Pressure Control Solenoid Valve
    • CVT Drive Pulley Pressure Control Solenoid Valve
    • CVT Clutch Pressure Control Solenoid Valve
    • Manual Valve Body
  • Hydraulic Flow
    • Notes
    • N Position
    • D Position, at low speed range
    • D Position, at high speed range
    • D Position, at top speed range
    • R Position
    • R Position: Reverse Inhibitor Control
    • P Position
    • D Position, when an electronic control system malfunction occurs
    • R Position, when an electronic control system malfunction occurs
  • Park Mechanism
  • Shift Lock System
    • Notes
    • Circuit Diagram - PCM CVT Control System-Five position Transmission
    • Circuit Diagram - PCM CVT Control System-Six-position Transmission
• DTC Troubleshooting
  • DTC P0107: Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage; DTC P0108: Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage
  • DTC P0335: Crankshaft Position (CKP) Sensor No Signal
  • DTC P0336: Range/Performance Problem in Crankshaft Position (CKP) Sensor Circuit
  • DTC P0501: Range/Performance Problem in CVT Speed Sensor Circuit
  • DTC P0502: Problem in CVT Speed Sensor Circuit
  • DTC P062F: Powertrain Control Module (PCM) Internal Control Module Keep Alive Memory (KAM) Error
  • DTC P0705: Short in Transmission Range Switch Circuit (Multiple Shift-position Input)
  • DTC P0706: Open in Transmission Range Switch Circuit
  • DTC P0716: Range/Performance Problem in CVT Input Shaft (Drive Pulley) Speed Sensor Circuit; DTC P0717: Problem in CVT Input Shaft (Drive Pulley) Speed Sensor Circuit (No Signal Input)
  • DTC P0721: Range/Performance Problem in CVT Output Shaft (Driven Pulley) Speed Sensor Circuit; DTC P0722: Problem in CVT Output Shaft (Driven Pulley) Speed Sensor Circuit (No Signal Input)
  • DTC P0746: CVT Drive Pulley Pressure Control Valve Stuck OFF
  • DTC P0777: CVT Driven Pulley Pressure Control Valve Stuck ON
  • DTC P0796: CVT Start Clutch Pressure Control Valve Stuck OFF
  • DTC P0962: CVT Drive Pulley Pressure Control Valve Circuit Low Voltage
  • DTC P0963: CVT Drive Pulley Pressure Control Valve Circuit High Voltage
  • DTC P0966: CVT Driven Pulley Pressure Control Valve Circuit Low Voltage
  • DTC P0967: CVT Driven Pulley Pressure Control Valve Circuit High Voltage
  • DTC P0970: CVT Start Clutch Pressure Control Valve Circuit Low Voltage
  • DTC P0971: CVT Start Clutch Pressure Control Valve Circuit High Voltage
  • DTC P16C0: PCM CVT Control System Incomplete Update
  • DTC P16D7: PCM Internal F-CAN Communication Circuit Malfunction; DTC P16D8: PCM Internal IMA-CAN Communication Circuit Malfunction
  • DTC P1860: Inhibitor Solenoid Circuit Low Voltage
  • DTC P1861: Inhibitor Solenoid Circuit High Voltage
  • DTC P1890: Problem in CVT Speed Control System
  • DTC P1891: Problem in Start Clutch Control System
  • DTC P1898/P0780: CVT Drive Pulley Pressure Control Valve Stuck ON or CVT Driven Pulley Pressure Control Valve Stuck OFF
  • DTC P1899/P0780: CVT Drive Pulley Pressure Control Valve Stuck OFF or CVT Driven Pulley Pressure Control Valve Stuck ON
  • DTC P2122: Accelerator Pedal Position (APP) Sensor A (Throttle Position (TP) Sensor D) Circuit Low Voltage Input; DTC P2123: Accelerator Pedal Position (APP) Sensor A (Throttle Position (TP) Sensor D) Circuit High Voltage Input
  • DTC U0029: F-CAN Malfunction (BUS-OFF); DTC U0121: F-CAN Malfunction (Powertrain Control Module (PCM)-ABS); DTC U0122: F-CAN Malfunction (Powertrain Control Module (PCM)-VSA); DTC U0155: F-CAN Malfunction (Powertrain Control Module (PCM)-Gauge Control Module); DTC U1205: IMA-CAN Malfunction (Powertrain Control Module (PCM)-Motor Control Module (MCM))
  • DTC U0029: F-CAN Malfunction (BUS-OFF); DTC U0122: F-CAN Malfunction (Powertrain Control Module (PCM)-VSA); DTC U0155: F-CAN Malfunction (Powertrain Control Module (PCM)-Gauge Control Module); DTC U1205: IMA-CAN Malfunction (Powertrain Control Module (PCM)-Motor Control Module (MCM))
  • DTC U0038: IMA-CAN Malfunction (BUS-OFF)
  • DTC U0301: PGM-FI System and A/T System Program Version Mismatch
  • DTC U0302: PCM-FI System and A/T System Program Version Mismatch
• Road Test
• Stall Speed Test
• Pressure Test
• CVT Clutch Pressure Control Solenoid Valve Test
• CVT Drive Pulley Pressure Control Solenoid Valve Test
• CVT Driven Pulley Pressure Control Solenoid Valve Test
• Inhibitor Solenoid Test
• Lower Valve Body Removal/Installation
• CVT Clutch Pressure Control Solenoid Valve Replacement
• CVT Drive Pulley Pressure Control Solenoid Valve Replacement
• CVT Driven Pulley Pressure Control Solenoid Valve Replacement
• Inhibitor Solenoid Replacement
• CVT Input Shaft (Drive Pulley) Speed Sensor Replacement
• CVT Output Shaft (Driven Pulley) Speed Sensor Replacement
• Vehicle Speed Sensor Replacement
• Start Clutch Pressure Control Calibration Procedures
  • Notes
  • Start Clutch Pressure Control Calibration Procedure mode
  • Calibration Procedure with SCS mode
  • Calibration by Driving the Vehicle
• Start Clutch Check
• CVT Fluid Level Check
• CVT Fluid Replacement
• Transmission Removal
• Drive Plate Removal/Installation
• Transmission Installation
• CVTF Cooler Cleaning
• CVTF Cooler Hose Replacement
  • Exploded View
• CVTF Filter Replacement
• Shift Lever Removal
• Shift Lever Installation
• Shift Lever Disassembly/Reassembly
• Shift Cable Replacement
• Shift Cable Adjustment
• Transmission Disassembly
• Transmission Reassembly
• A/T Gear Position Indicator
  • Component Location Index
    • Five - position Transmission
    • Six - position Transmission
  • Circuit Diagram
    • Five - position Transmission
    • Six - position Transmission
  • Transmission Range Switch Test
  • Transmission Range Switch Replacement
  • Paddle Shifter + (Upshift Switch) Circuit Troubleshooting
  • Paddle Shifter - (Downshift Switch) Circuit Troubleshooting
  • Paddle Shifter + (Upshift Switch) or Paddle Shifter - (Downshift Switch) Replacement
• A/T Interlock System
  • Component Location Index
  • Circuit Diagram
    • Five - position Transmission
    • Six - position Transmission
  • Shift Lock System Circuit Troubleshooting
  • Shift Lock Solenoid Test
  • Shift Lock Solenoid Replacement
  • Shift Lock Stop/Shift Lock Stop Cushion Replacement
  • Shift Lock Release/Release Spring Replacement
  • Park Pin Switch Replacement
• Lower Valve Body
  • CVT Clutch Pressure Control Solenoid Valve Removal/Installation
  • CVT Drive Pulley Pressure Control Solenoid Valve Removal/Installation
  • CVT Driven Pulley Pressure Control Solenoid Valve Removal/Installation
  • Inhibitor Solenoid Removal/Installation
• Flywheel Housing
  • Final Drive Shaft Bearing Replacement
  • Input Shaft Oil Seal Replacement
• End Cover
  • CVTF Feed Pipe Replacement
• Intermediate Housing
  • Manual Valve Body Disassembly/Inspection/Reassembly
• Transmission Housing
  • CVTF Pump Replacement
  • Driven Pulley Shaft Bearing Removal/Installation
  • Final Drive Shaft Bearing Removal/Installation
  • Selector Control Shaft Removal/Installation
• Input Shaft
  • Planetary Carrier Clearance Inspection
• Final Drive Shaft
  • Thrust Clearance Inspection
• CVT Differential
  • Component Location Index
  • Backlash Inspection
  • Differential Carrier/Final Driven Gear Replacement
  • Carrier Bearing Replacement
  • Oil Seal Replacement
  • Carrier Bearing Side Clearance Inspection