Automatic Transmission (4-CYL)

• 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
  • OBD Status
  • How to End a Troubleshooting Session (required after any troubleshooting)
  • Substituting the PCM
  • Failure Reproduction Technique
• DTC Troubleshooting Index
• Symptom Troubleshooting Index
• Component Location Index
• System Description
  • General Operation
    • Notes
    • Torque Converter, Gears, and Clutches
    • Electronic Control
    • Hydraulic Control
    • Shift Control Mechanism
    • Lock-up Mechanism
    • Gear Selection
    • Automatic Transmission (A/T) Gear Position Indicator
    • Shift Indicator and M Indicator
  • Clutches and Gears
    • Notes
    • 1st Clutch
    • 2nd Clutch
    • 3rd Clutch
    • 4th Clutch
    • 5th Clutch
    • Gear operation
    • Transmission Cutaway View
  • Power Flow
    • P Position
    • N Position
    • In 1st Gear
    • In 2nd Gear
    • In 3rd Gear
    • In 4th Gear
    • In 5th Gear
    • R Position
  • Electronic Control System
    • Functional Diagram
    • Shift Control
    • Grade Logic Control Ascending Control
    • Grade Logic Control. Descending Control
    • Shift-Hold Control
    • Shift Control - Manual Shift Mode
    • D-Paddle Shift Mode
    • S Position Automatic Shift Mode and Sequential Sportshift Mode
    • Clutch Pressure Control
    • Lock-up Control
    • Self-diagnosis
    • Fail-safe Function
    • PCM A/T Control System Electrical Connections
    • PCM A/T Control System Inputs and Outputs
  • Hydraulic Controls
    • Valve Bodies
    • Main Valve Body
    • Regulator Valve Body
    • Regulator Valve
    • Servo Body
    • Accumulator
  • Hydraulic Flow
    • Distribution of Hydraulic Pressure
    • N Position
    • 1st gear shifting from N position
    • Driving in 1st gear in D and S with automatic shift mode
    • Shifting between 1st gear and 2nd gear in D and S with automatic shift mode
    • Driving in 2nd gear in D and S with automatic shift mode
    • Shifting between 2nd gear and 3rd gear in D and S with automatic shift mode
    • Driving in 3rd gear in D and S with automatic shift mode
    • Shifting between 3rd gear and 4th gear in D and S with automatic shift mode
    • Driving in 4th gear in D and S with automatic shift mode
    • Shifting between 4th gear and 5th gear in D with automatic shift mode
    • Driving in 5th gear in D with automatic shift mode
    • R Position Shifting to R position from P or N position
    • R Position Driving in reverse gear
    • Reverse Inhibitor Control
    • P Position
  • Lock-up System
    • Notes
    • Torque Converter Clutch Lock-up ON (Engaging Torque Converter Clutch)
    • Torque Converter Clutch Lock-up OFF (Disengaging Torque Converter Clutch)
    • No Lock-up
    • Partial Lock-up
    • Full Lock-up
  • Shift Lock System
    • Notes
    • Circuit Diagram - PCM A/T Control System
• DTC Troubleshooting
  • 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 P0711: Problem in ATF Temperature Sensor Circuit
  • DTC P0712: Short in ATF Temperature Sensor Circuit
  • DTC P0713: Open in ATF Temperature Sensor Circuit
  • DTC P0716: Problem in Input Shaft (Mainshaft) Speed Sensor Circuit; DTC P0717: Problem in Input Shaft (Mainshaft) Speed Sensor Circuit (No Signal Input)
  • DTC P0718: Input Shaft (Mainshaft) Speed Sensor Intermittent Failure
  • DTC P0721: Problem in Output Shaft (Countershaft) Speed Sensor Circuit; DTC P0722: Problem in Output Shaft (Countershaft) Speed Sensor Circuit (No Signal Input)
  • DTC P0723: Output Shaft (Countershaft) Speed Sensor Intermittent Failure
  • DTC P0731: Problem in 1st Clutch and 1st Clutch Hydraulic Circuit (1st Gear Incorrect Ratio)
  • DTC P0732: Problem in 2nd Clutch and 2nd Clutch Hydraulic Circuit (2nd Gear Incorrect Ratio)
  • DTC P0733: Problem in 3rd Clutch and 3rd Clutch Hydraulic Circuit (3rd Gear Incorrect Ratio)
  • DTC P0734: Problem in 4th Clutch and 4th Clutch Hydraulic Circuit (4th Gear Incorrect Ratio)
  • DTC P0735: Problem in 5th Clutch and 5th Clutch Hydraulic Circuit (5th Gear Incorrect Ratio)
  • DTC P0741: Torque Converter Clutch Hydraulic Circuit Stuck OFF
  • DTC P0747: A/T Clutch Pressure Control Solenoid Valve A Stuck ON
  • DTC P0752: Shift Solenoid Valve A Stuck ON
  • DTC P0756: Shift Solenoid Valve B Stuck OFF; DTC P0757: Shift Solenoid Valve B Stuck ON
  • DTC P0761: Shift Solenoid Valve C Stuck OFF
  • DTC P0771: Shift Solenoid Valve E Stuck OFF
  • DTC P0776: A/T Clutch Pressure Control Solenoid Valve B Stuck OFF; DTC P0777: A/T Clutch Pressure Control Solenoid Valve B Stuck ON
  • DTC P0780: Shift Control System
  • DTC P0796: A/T Clutch Pressure Control Solenoid Valve C Stuck OFF; DTC P0797: A/T Clutch Pressure Control Solenoid Valve C Stuck ON
  • DTC P0842: Short in 2nd Clutch Transmission Fluid Pressure Switch Circuit, or 2nd Clutch Transmission Fluid Pressure Switch Stuck ON
  • DTC P0843: Open in 2nd Clutch Transmission Fluid Pressure Switch Circuit, or 2nd Clutch Transmission Fluid Pressure Switch Stuck OFF
  • DTC P0847: Short in 3rd Clutch Transmission Fluid Pressure Switch Circuit, or 3rd Clutch Transmission Fluid Pressure Switch Stuck ON
  • DTC P0848: Open in 3rd Clutch Transmission Fluid Pressure Switch Circuit, or 3rd Clutch Transmission Fluid Pressure Switch Stuck OFF
  • DTC P0962: Problem in A/T Clutch Pressure Control Solenoid Valve A Circuit
  • DTC P0963: Problem in A/T Clutch Pressure Control Solenoid Valve A
  • DTC P0966: Problem in A/T Clutch Pressure Control Solenoid Valve B Circuit
  • DTC P0967: Problem in A/T Clutch Pressure Control Solenoid Valve B
  • DTC P0970: Problem in A/T Clutch Pressure Control Solenoid Valve C Circuit
  • DTC P0971: Problem in A/T Clutch Pressure Control Solenoid Valve C
  • DTC P0973: Short in Shift Solenoid Valve A Circuit
  • DTC P0974: Open in Shift Solenoid Valve A Circuit
  • DTC P0976: Short in Shift Solenoid Valve B Circuit
  • DTC P0977: Open in Shift Solenoid Valve B Circuit
  • DTC P0979: Short in Shift Solenoid Valve C Circuit
  • DTC P0980: Open in Shift Solenoid Valve C Circuit
  • DTC P0982: Short in Shift Solenoid Valve D Circuit
  • DTC P0983: Open in Shift Solenoid Valve D Circuit
  • DTC P0985: Short in Shift Solenoid Valve E Circuit
  • DTC P0986: Open in Shift Solenoid Valve E Circuit
  • DTC P16C0: PCM A/T Control System Incomplete Update
  • DTC P1717: Open in Transmission Range Switch ATP RVS Switch Circuit
  • DTC P1730: Problem in Shift Control System
  • DTC P1731: Problem in Shift Control System
  • DTC P1732: Problem in Shift Control System
  • DTC P1733: Problem in Shift Control System
  • DTC P1734: Problem in Shift Control System
  • DTC U0029: F-CAN Malfunction (F-CAN BUS-OFF (PCM))
  • DTC U0122: F-CAN Malfunction (PCM-VSA Modulator-Control Unit)
  • DTC U0155: F-CAN Malfunction (PCM-Gauge Control Module)
• Road Test
• Stall Speed Test
• Pressure Test
• Shift Solenoid Valve Test
• Shift Solenoid Valve and Shift Solenoid Wire Harness Replacement
• A/T Clutch Pressure Control Solenoid Valve A Test
• A/T Clutch Pressure Control Solenoid Valve A Replacement
• A/T Clutch Pressure Control Solenoid Valve B Test
• A/T Clutch Pressure Control Solenoid Valve C Test
• A/T Clutch Pressure Control Solenoid Valve B and C Replacement
• Input Shaft (Mainshaft) Speed Sensor Replacement
• Output Shaft (Countershaft) Speed Sensor Replacement
• 2nd Clutch Transmission Fluid Pressure Switch Replacement
• 3rd Clutch Transmission Fluid Pressure Switch Replacement
• ATF Temperature Sensor Test/Replacement
• ATF Level Check
• ATF Replacement
• Transmission Removal
• Transmission Installation
• Drive Plate Removal and Installation
• ATF Cooler Cleaning
• ATF Cooler Hose Replacement
  • Exploded View
• ATF Filter Replacement
• Shift Lever Removal
• Shift Lever Installation
• Shift Lever Knob Replacement
• Shift Lever Disassembly/Reassembly
• Shift Lever Boot and A/T Gear Position Indicator Panel Base Replacement
• Shift Cable Replacement
• Shift Cable Adjustment
• A/T Gear Position Indicator
  • Component Location Index
  • Circuit Diagram
  • Transmission Range Switch Test
  • Transmission Range Switch Replacement
  • Paddle Shifter + (Upshift Switch) Circuit Troubleshooting
  • Paddle Shifter - (Downshift Switch) Circuit Troubleshooting
  • Paddle Shifter + (Upshift Switch) Illumination Circuit Troubleshooting
  • Paddle Shifter - (Downshift Switch) Illumination Circuit Troubleshooting
  • Paddle Shifter + (Upshift Switch) Replacement
  • Paddle Shifter - (Downshift Switch) Replacement
  • A/T Gear Position Indicator Panel Light Harness Replacement
  • A/T Gear Position Indicator Panel Replacement
• A/T Interlock System
  • Component Location Index
  • Circuit Diagram
  • Shift Lock System Circuit Troubleshooting
  • Key Interlock System Circuit Troubleshooting
  • Key Interlock Solenoid Test
  • Shift Lock Solenoid Test
  • Shift Lock Solenoid Replacement
  • Shift Lock Stop, Shift Lock Stop Cushion Replacement
  • Shift Lock Release, Release Spring, and Release Shaft Replacement
  • Park Pin Switch Test
  • Park Pin Switch Replacement
• Transmission End Cover
  • End Cover Removal
  • Park Lever Stop Inspection and Adjustment
  • Idler Gear Shaft Bearing Replacement
  • Selector Control Shaft Oil Seal Replacement
  • Selector Control Shaft Bearing Replacement
  • ATF Feed Pipe Replacement
  • End Cover Installation
    • Exploded View
• Transmission Housing
  • Housing and Shaft Assembly Removal
  • Bearing Removal
  • Bearing Installation
  • Reverse Idler Gear Removal and Installation
    • Removal
    • Installation
  • Shaft Assembly and Housing Installation
    • Exploded View
• Valve Body
  • Valve Body and ATF Strainer Removal
  • Valve Body Repair
  • Valve Body Valve Installation
  • Main Valve Body Disassembly, Inspection, and Reassembly
  • ATF Pump Inspection
  • Regulator Valve Body Disassembly, Inspection, and Reassembly
  • Servo Body Disassembly, Inspection, and Reassembly
  • Shift Solenoid Valve Removal and Installation
  • Valve Body and ATF Strainer Installation
    • Exploded View
• Torque Converter Housing
  • Mainshaft Bearing and Oil Seal Replacement
  • Countershaft Bearing Replacement
  • Secondary Shaft Bearing Replacement
  • Selector Control Shaft Oil Seal Replacement
• Shafts and Clutches
  • Mainshaft Disassembly, Inspection, and Reassembly
  • Mainshaft 5th Gear Axial Clearance Inspection
  • Countershaft Disassembly, Inspection, and Reassembly
  • Countershaft Reverse Selector Hub and 3rd Gear Removal
  • Countershaft 3rd Gear and Reverse Selector Hub Installation
  • Secondary Shaft Disassembly, Inspection, and Reassembly
  • Secondary Shaft Idler Gear Removal and Installation
    • Notes
    • Removal
    • Installation
  • Secondary Shaft 2nd Gear Axial Clearance Inspection
  • Secondary Shaft 1st Gear Axial Clearance Inspection
  • Idler Gear Shaft Removal and Installation
  • Idler Gear/Idler Gear Shaft Replacement
  • Clutch Disassembly
  • Clutch Inspection
  • Clutch Wave-plate Phase Difference Inspection
  • Clutch Clearance Inspection
  • 1st, 2nd, and 3rd Clutch Reassembly
  • 4th and 5th Clutch Reassembly
• A/T Differential
  • Component Location Index
  • Backlash Inspection
  • Carrier Bearing Replacement
  • Differential Carrier and Final Driven Gear Replacement
  • Oil Seal Replacement
  • Carrier Bearing Outer Race Replacement
  • Carrier Bearing Preload Inspection