2011 Mazda 2 L4-1.5LFACTORY OEM SERVICE PROCEDURE

Transmission Position Sensor/Switch: Adjustments




TRANSAXLE RANGE (TR) SWITCH ADJUSTMENT [FN4A-EL]

CAUTION:
- Water or foreign objects entering the connector can cause a poor connection or corrosion. Be sure not to drop water or foreign objects on the connector when disconnecting it.

1. Engage the parking brake and use wheel chocks at the front and rear of the wheels.

2. Shift the selector lever to the N position.

3. Disconnect the TR switch connector.
a. Disconnect the negative battery cable.

b. Disconnect the TR switch connector.

Factory service manual diagram





4. Loosen the TR switch.
a. Remove the clip from the selector cable.

b. Disconnect the selector cable from manual shaft lever.

Factory service manual diagram





c. Loosen the TR switch installation bolts.

Factory service manual diagram





5. Adjust the TR switch.
a. Verify that the manual shaft is aligned with the N position.

Factory service manual diagram





b. Adjust the TR switch between terminals B and C until the resistance becomes specification.

Factory service manual diagram





TR switch specification
- 713-787 ohms

c. Tighten the TR switch installation bolts.

Tightening torque
- 8-11 Nm {82-112 kgf-cm, 71-97 in-lbf}

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:

  • 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.

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