Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHONDA2002CIVIC SIREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 78 (AUTOMATIC TRANSMISSION)
2002 Honda Civic Si
Section 78 (Automatic Transmission)
2002 Honda Civic SiSECTION Section 78 (Automatic Transmission)
WARNING: This page is about a different car, the 2006 Acura MDX, 2005 Acura MDX, 2004 Acura MDX, and 2003 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
- Special Tools
- General Troubleshooting Information
- How to Check for DTCs with the Honda Diagnostic System
- 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
- Clear A/T DTCs, and PCM Reset Procedures
- OBD Status
- PCM Updating and Substitution for Testing
- How to Update the PCM
- How to Substitute the PCM
- How to Remove and Install the PCM
- How to End a Troubleshooting Session
- DTC Codes
- DTC Troubleshooting Index
- Symptom Troubleshooting Index
- System Description
- General Operation
- Clutches
- Power Flow
- Electronic Control System
- Hydraulic Controls
- Hydraulic Flow
- Distribution of Hydraulic Pressure
- N Position
- D5 Position: 1st gear shifting from the N position
- D5 Position: Driving in 1st gear
- D5 Position: Shifting between 1st gear and 2nd gear
- D5 Position: Driving in 2nd gear
- D5 Position: Shifting between 2nd gear and 3rd gear
- D5 Position: Driving in 3rd gear
- D5 Position: Shifting between 3rd gear and 4th gear
- D5 Position: Driving in 4th gear
- D5 Position: Shifting between 4th gear and 5th gear
- D5 Position: Driving in 5th gear
- 2 Position
- 1 Position
- R Position: Shifting to the R position from the P or N position
- R Position: Driving in reverse gear
- Reverse Inhibitor Control
- P Position
- Lock up System
- Circuit Diagram - PCM A/T Control System - 2003-2004 Models
- Circuit Diagram - PCM A/T Control System - 2005-2006 Models
- DTC Troubleshooting
- 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
- DTC P0732: Problem in 2nd Clutch and 2nd Clutch Hydraulic Circuit
- DTC P0733: Problem in 3rd Clutch and 3rd Clutch Hydraulic Circuit
- DTC P0734: Problem in 4th Clutch and 4th Clutch Hydraulic Circuit
- DTC P0735: Problem in 5th Clutch and 5th Clutch Hydraulic Circuit
- DTC P0741: Torque Converter Clutch Circuit Stuck OFF
- DTC P0746: A/T Clutch Pressure Control Solenoid Valve A Stuck OFF
- DTC P0747: A/T Clutch Pressure Control Solenoid Valve A Stuck ON
- DTC P0751: Shift Solenoid Valve A Stuck OFF
- 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 P0762: Shift Solenoid Valve C 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: Problem in Shift Control System
- 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 P0872: Short in 4th Clutch Transmission Fluid Pressure Switch Circuit, or 4th Clutch Transmission Fluid Pressure Switch Stuck ON
- DTC P0873: Open in 4th Clutch Transmission Fluid Pressure Switch Circuit, or 4th 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: Short 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 P1710: 1st-hold Switch Stuck ON or Short in 1st-hold Switch Circuit
- DTC P2769: Short in Torque Converter Clutch Solenoid Valve Circuit
- DTC P2770: Open in Shift Solenoid Valve C Circuit
- Road Test
- Stall Speed Test
- Pressure Test
- Shift Solenoid Valve, Torque Converter Clutch Solenoid Valve Test/Replacement
- A/T Clutch Pressure Control Solenoid Valve A and B Test
- A/T Clutch Pressure Control Solenoid Valve A and B Replacement
- A/T Clutch Pressure Control Solenoid Valve C Test
- A/T Clutch Pressure Control Solenoid Valve C Replacement
- Input Shaft (Mainshaft) Speed Sensor Replacement
- Output Shaft (Countershaft) Speed Sensor Replacement
- 3rd Clutch Transmission Fluid Pressure Switch Replacement
- 4th Clutch Transmission Fluid Pressure Switch Replacement
- ATF Temperature Sensor Replacement
- ATF Level Check
- ATF Replacement
- Transfer Assembly Fluid Replacement
- Transfer Assembly Inspection
- Transfer Assembly Removal
- Transfer Assembly Installation
- Transmission Removal
- Drive Plate Removal and Installation
- Transmission Installation
- ATF Cooler Cleaning
- ATF Cooler Hose Replacement
- Shift Lever Removal
- Shift Lever Installation
- Shift Lever Disassembly/Reassembly
- Shift Cable Replacement
- Shift Cable Adjustment
- A/T Gear Position Indicator
- A/T Interlock System
- Component Location Index
- Circuit Diagram
- Shift Lock System Circuit Troubleshooting
- Reverse Lock System Circuit Troubleshooting
- Key Interlock System Circuit Troubleshooting
- Key Interlock Solenoid/Switch Test
- Shift Lock Solenoid Test
- Shift Lock Solenoid Replacement
- Park Pin Switch Test/Replacement
- Transmission Disassembly
- Transmission Housing
- Reverse Idler Gear Removal/Installation
- Reverse Idler Gear Disassembly/Inspection/Reassembly
- ATF Filter Removal/Inspection/Installation
- Secondary Shaft ATF Feed Pipe Cap Removal
- Secondary Shaft ATF Feed Pipe Cap Installation
- Secondary Shaft ATF Feed Pipe Cap, Feed Pipe Replacement
- Mainshaft Bearing Removal
- Mainshaft Bearing Installation
- Intermediary Shaft Bearing Replacement
- Park Lever Shaft Bearing Replacement
- Control Shaft Bearing Replacement
- Control Shaft Oil Seal Replacement
- Valve Body
- Valve Body Repair
- Valve Body Valve Installation
- Main Valve Body Disassembly, Inspection, and Reassembly
- ATF Pump Inspection
- Secondary Valve Body Disassembly, Inspection, and Reassembly
- Regulator Valve Body Disassembly, Inspection, and Reassembly
- Accumulator Body Disassembly, Inspection, and Reassembly
- Shift Solenoid Valve, Torque Converter Clutch Solenoid Valve Removal and Installation
- Torque Converter Housing
- Shafts and Clutches
- Mainshaft Disassembly, Inspection, and Reassembly
- Mainshaft 4th Gear Replacement
- Countershaft Disassembly
- Countershaft Idler Gear and 4th Gear Axial Clearance Inspection
- Countershaft Reassembly
- Secondary Shaft Disassembly
- Secondary Shaft 1st Gear Clearance Inspection
- 1st Gear One-way Clutch Inspection
- 1st Clutch Hub Replacement
- Secondary Shaft Reassembly
- Secondary Shaft Installation Height Inspection/Adjustment
- Intermediary Shaft Disassembly, Inspection, and Reassembly
- Intermediary Shaft 4th Gear Removal
- Intermediary Shaft 4th Gear Installation
- Intermediary Shaft 3rd Gear Clearance Inspection
- Intermediary Shaft Installation Height Inspection/Adjustment
- Clutch Disassembly
- Clutch Inspection
- Clutch Reassembly
- Automatic Transmission
- A/T Differential
- Transfer Output Shaft
- Transfer Assembly
- Inspection
- Disassembly
- Transfer Hypoid Drive Gear Bearing Replacement
- Transfer Output Shaft (Hypoid Gear) Bearing Removal/Installation
- Transfer Housing Tapered Roller Bearing Outer Race Replacement
- Transfer Cover Tapered Roller Bearing Outer Race Removal/Installation
- Transfer Cover Oil Seal Replacement
- Reassembly
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.