2003 Acura RSX Type S Switches on Manual Transmission

The 2003 Acura RSX Type S features a 6-speed manual transmission with various switches and controls that enhance driving performance and safety. This manual transmission system includes gear position sensors, reverse lockout mechanism, clutch safety switch, and transmission-mounted switches that work in conjunction with the vehicle's electronic systems. Below are key sections covering features, operation, maintenance, and troubleshooting of the transmission switches.

1. Features at a Glance 2. Transmission Switch Locations 3. Operation and Functionality 4. Specifications 5. Controls and Indicators 6. Maintenance Procedures 7. Troubleshooting Common Issues 8. Safety Features 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting Guide

Features at a Glance

Key components: 6-speed manual transmission, gear position sensors, reverse lockout solenoid, clutch position switch, transmission range switches, and shift linkage components.

FeatureDescription
Gear Position SensorDetects current gear selection for ECU input
Reverse Lockout SolenoidPrevents accidental engagement of reverse gear
Clutch Safety SwitchRequires clutch depression to start engine
Transmission Range SwitchMonitors transmission position for vehicle systems
Shift Linkage Position SensorTracks shifter position for performance data
Back-up Light SwitchActivates reverse lights when in reverse gear
Speed SensorMonitors transmission output shaft speed
Transmission Control ModuleProcesses switch inputs for vehicle operation

Transmission Switch Locations

Understanding the physical locations of transmission switches for maintenance and troubleshooting.

  1. Gear position sensor: Mounted on transmission housing near shift linkage
  2. Reverse lockout solenoid: Integrated in shift mechanism assembly
  3. Clutch safety switch: Located at clutch pedal assembly
  4. Back-up light switch: Transmission-mounted near reverse gear position
  5. Speed sensors: Transmission case mounted for input/output shaft monitoring

WARNING! Disconnect battery before servicing transmission switches to prevent electrical shorts or accidental vehicle start.

Operation and Functionality

How transmission switches interact with vehicle systems during normal operation.

  1. Starting sequence: Clutch safety switch must be engaged to complete starter circuit
  2. Gear selection: Gear position sensor communicates with ECU for fuel and ignition mapping
  3. Reverse engagement: Reverse lockout requires lifting collar on shift knob
  4. Back-up lights: Automatically activate when reverse gear is selected
  5. Performance monitoring: Speed sensors provide data for traction control and ABS systems

CAUTION! Never force shift lever - if resistance is felt, check switch operation and linkage alignment.

Specifications

Controls and Indicators

Driver interface components related to transmission switch operation.

Dashboard Indicators: Reverse gear indicator, check engine light (for transmission-related faults), cruise control disable when clutch depressed.

Shift Mechanism: Reverse lockout collar, positive shift stops, gear position detents. Clutch Pedal: Requires full depression for starting interlock. Gear Position: ECU receives position data for optimal engine performance mapping. Safety Interlocks: Prevents starter operation unless clutch depressed and transmission in neutral.

Maintenance Procedures

Routine maintenance and inspection of transmission switches and related components.

  1. Visual inspection: Check switch connectors for corrosion or damage
  2. Electrical testing: Verify switch operation with multimeter
  3. Linkage adjustment: Ensure proper shift cable tension and alignment
  4. Switch replacement: Follow torque specifications for mounting bolts
  5. System reset: Clear diagnostic codes after switch replacement

Tip: Use dielectric grease on electrical connectors to prevent moisture intrusion and corrosion.

Troubleshooting Common Issues

Diagnosing and resolving common transmission switch problems.

  1. Vehicle won't start: Check clutch safety switch operation and adjustment
  2. Reverse lights not working: Test back-up light switch and circuit
  3. Difficulty engaging reverse: Inspect reverse lockout solenoid and mechanism
  4. Check engine light: Scan for transmission-related diagnostic trouble codes
  5. Erratic shift feel: Verify gear position sensor calibration
  6. Cruise control inoperative: Check clutch switch signal to cruise module

WARNING! Always use proper diagnostic equipment - do not bypass safety switches as this creates hazardous driving conditions.

Safety Features

Integrated safety systems controlled by transmission switches.

Clutch Start Safety Switch: Prevents engine starting unless clutch pedal depressed. Reverse Lockout: Mechanical and electronic prevention of accidental reverse engagement. Gear Position Monitoring: ECU uses gear data for stability control and traction management. Cruise Control Disable: Automatically cancels cruise control when clutch is depressed.

Care & Maintenance

Proper care procedures to ensure long-term switch reliability.

Regularly inspect electrical connections for corrosion. Keep shift linkage clean and properly lubricated. Check switch operation during routine maintenance. Protect electrical connectors from moisture and road debris. Use only OEM replacement parts for switch replacement.

CAUTION! Do not use high-pressure spray directly on electrical connectors. Avoid using silicone sprays near switch mechanisms.

Regulatory Information

Compliance with automotive safety and emissions standards. Meets FMVSS requirements for transmission safety systems. EPA compliant for emissions-related transmission controls. All switches meet SAE and ISO standards for automotive applications. Copyright © 2003 American Honda Motor Co., Inc. For technical support, contact Acura Client Relations at 1-800-382-2238 or visit www.acura.com.

Troubleshooting Guide

SymptomPossible CauseCorrective Action
Vehicle won't startFaulty clutch safety switchTest switch continuity; adjust or replace switch
Reverse lights inoperativeBack-up light switch failureCheck switch operation; test circuit; replace switch
Difficulty shifting into reverseReverse lockout mechanism stuckInspect solenoid; check linkage; lubricate mechanism
Check engine light onGear position sensor faultScan for codes; test sensor; recalibrate or replace
Cruise control not engagingClutch switch signal missingTest switch operation; check wiring; replace switch
Erratic engine performanceFaulty transmission speed sensorTest sensor output; inspect wiring; replace sensor

Reset Procedure: Disconnect battery for 10 minutes to reset transmission adaptive learning after switch replacement.

Service: 1-800-382-2238; www.acura.com

2003 Acura RSX Type S Transmission Switches Manual © - All Rights Reserved 2025