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.
2002 Acura RSX L4-2.0L (VTEC)FACTORY OEM SERVICE PROCEDURE
Transmission Position Sensor/Switch: Testing and Inspection
Transmission Range Switch Test
1. Remove the transmission range switch harness connector (A) from the connector bracket (B), then disconnect the connector.
Connector Terminal Specification
2. Check for continuity between terminals at the harness connector. There should be continuity between the terminals in the following table for each switch position.
3. If there is no continuity between any terminals, remove the transmission range switch cover, and disconnect the connect at the switch.
Connector Terminal Specification
4. Check for continuity between terminals at the harness connector. There should be continuity between the terminals in the following table for each switch Position.
5. If there is no continuity between any terminals, check the transmission range switch installation. If the transmission range switch installation is OK, replace the switch. If the transmission range switch continuity check was OK, replace the faulty transmission range switch harness.
1. Remove the transmission range switch harness connector (A) from the connector bracket (B), then disconnect the connector.
Connector Terminal Specification
2. Check for continuity between terminals at the harness connector. There should be continuity between the terminals in the following table for each switch position.
3. If there is no continuity between any terminals, remove the transmission range switch cover, and disconnect the connect at the switch.
Connector Terminal Specification
4. Check for continuity between terminals at the harness connector. There should be continuity between the terminals in the following table for each switch Position.
5. If there is no continuity between any terminals, check the transmission range switch installation. If the transmission range switch installation is OK, replace the switch. If the transmission range switch continuity check was OK, replace the faulty transmission range switch harness.
Factory Service Tools
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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.