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P0791 Mazda Code - Intermediate Shaft Speed Sensor 'A' Circuit

- Code Popularity: 24,183 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0791 Mazda?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Intermediate Shat Speed Sensor 'A'
  • Intermediate Shat Speed Sensor 'A' harness is open or shorted
  • Intermediate Shat Speed Sensor 'A' circuit poor electrical connection
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How to Fix the DTC P0791 Mazda?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0791 Mazda code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

When is the Code Detected?

P0791 code is detected when the input speed sensor voltage is more than 1.9V or less than 0.1V for 2 seconds or more

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P0791 Mazda Description

This sensor detects the rotation speed of the input turbine. By comparing the input turbine speed signal (NT) with the counter gear speed sensor signal (NC), the Engine Control Module (ECM) detects the shift timing of the gears and appropriately controls the engine torque and hydraulic pressure according to various conditions. Thus, providing smooth gear shift.

OBDII Code P0791 Mazda - Intermediate Shaft Speed Sensor 'A' Circuit - AutoCodes.com
P0791 Mazda Code - Intermediate Shaft Speed Sensor 'A' Circuit

Need More Information on the Code?

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Code P0791 Mazda comments

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