2012 Mazda 5 L4-2.5LFACTORY OEM SERVICE PROCEDURE

Transmission Position Sensor/Switch: Adjustments





TRANSAXLE RANGE (TR) SWITCH ADJUSTMENT [FS5A-EL]

CAUTION:
- Do not allow foreign material or water to penetrate the connector. Otherwise, it could cause poor contact and corrosion.

1. Apply the parking brake firmly and set the wheel blocks for both the front and rear wheels.

2. Shift the selector lever to the N position.

3. Disconnect the TR switch connector.
a. Remove the battery cover. Removal and Replacement

b. Disconnect the negative battery cable.

c. Remove the air cleaner component. Service and Repair

d. Disconnect the TR switch connector.

Factory service manual diagram





4. Loosen the TR switch.
a. Remove the clip and disconnect the selector cable from the manual shaft lever.

Factory service manual diagram





b. Loosen the TR switch installation bolts.

Factory service manual diagram





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

Factory service manual diagram





b. Adjust the resistance between TR switch terminals B and C to 713-787 ohms.

Factory service manual diagram





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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