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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSACURA2011TSX SPORT WAGON L4-2.4LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLETRANSMISSION POSITION SENSOR/SWITCHSERVICE AND REPAIR
2011 Acura TSX Sport Wagon L4-2.4L
Transmission Position Sensor/Switch: Service and Repair
2011 Acura TSX Sport Wagon L4-2.4LSECTION Service and Repair
Transmission Range Switch Replacement
1. Raise the vehicle on a lift, or apply the parking brake, block both rear wheels, and raise the front of the vehicle. Make sure it is securely supported.
2. Remove the left front wheel.
3. Move the shift lever to N.
4. Remove the transmission range switch cover.
5. Disconnect the transmission range switch connector (A), then remove the transmission range switch (B).
6. Make sure the selector control shaft is in the N position. If necessary, move the shift lever from P to N.
NOTE: Do not use the selector control shaft to adjust the shift position. If the selector control shaft tips are squeezed together it will cause a faulty shift position signal or position due to play between the selector control shaft and the transmission range switch.
7. Set a new transmission range switch (A) to the N position. Align the cutouts (B) on the rotary-frame with the neutral positioning cutouts (C) on the transmission range switch, then put a 2.0 mm (0.08 in) feeler gauge blade (D) in the cutouts to hold the transmission range switch in the N position.
NOTE: Be sure to use a 2.0 mm (0.08 in) feeler gauge blade or equivalent to hold the transmission range switch in the N position.
8. Install the transmission range switch (A) gently on the selector control shaft (B) while holding it in the N position with the 2.0 mm (0.08 in) feeler gauge blade (C).
9. Tighten the bolts on the transmission range switch while you continue to hold the N position. Do not move the transmission range switch when tightening the bolts. Remove the feeler gauge blade.
10. Check the connector for corrosion, dirt, or oil, and clean or repair if necessary, then connect the transmission range switch connector securely.
11. Turn the ignition switch to ON (II). Move the shift lever through all positions, and verify the transmission range switch matches with the A/T gear position indicator.
12. Check that the engine starts with the shift lever in P and N only.
13. Check that the back-up lights come on when the shift lever is in R.
14. Allow the front wheels to rotate freely, then start the engine, and check the shift lever operation.
15. Install the transmission range switch cover.
16. Install the left front wheel.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.