AutoCodesMazda – P0704 Mazda

P0704 Mazda Code - Clutch Pedal Position Switch Input Circuit Malfunction

Quick Answer

When the clutch pedal is depress the voltage signal from the clutch switch to the Engine Control Module (ECM) is low. Common causes include Faulty Clutch Switch, Misadjusted Clutch Switch, Clutch Switch harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0704 Mazda indicates Clutch Pedal Position Switch Input Circuit Malfunction.
Common causes
Common causes include Faulty Clutch Switch, Misadjusted Clutch Switch, Clutch Switch harness is open or shorted.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 23,813
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0704 Mazda Description

When the clutch pedal is depress the voltage signal from the clutch switch to the Engine Control Module (ECM) is low. If the ECM does not see this change from high to low when the vehicle is over 0 mph, the ECM sets code P0704.
OBDII Code P0704 Mazda - Clutch Pedal Position Switch Input Circuit Malfunction - AutoCodes.com
P0704 Mazda Code - Clutch Pedal Position Switch Input Circuit Malfunction

What are the Possible Causes of the DTC P0704 Mazda?

  • Faulty Clutch Switch
  • Misadjusted Clutch Switch
  • Clutch Switch harness is open or shorted
  • Clutch Switch circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0704 Mazda?

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

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0704 Mazda code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0704 Mazda code?

Need more information on how to fix the P0704 Mazda code? Get Access to Factory Service Manuals

Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0704 Mazda Code

1. What does the OBDII code P0704 mean on a Mazda?

P0704 indicates a malfunction in the clutch pedal position switch input circuit, which monitors the position of the clutch pedal.

2. What are the symptoms of P0704 on a Mazda?

Common symptoms include difficulty starting the engine, the engine not cranking, cruise control not working, or the check engine light turning on.

3. What causes the P0704 code on a Mazda?

Possible causes include a faulty clutch pedal position switch, damaged or corroded wiring, loose connectors, or an issue with the vehicle's PCM (Powertrain Control Module).

4. Can I drive my Mazda with a P0704 code?

While the vehicle may still be drivable, issues like difficulty starting or malfunctioning cruise control could arise. It's best to address the problem promptly.

5. How is the P0704 code diagnosed on a Mazda?

Diagnosis typically involves inspecting the clutch pedal position switch, checking the wiring and connectors for damage, and testing the circuit with a multimeter to ensure proper voltage and continuity.

6. How do you fix the P0704 code on a Mazda?

Repairs may include replacing the clutch pedal position switch, repairing damaged wiring, cleaning corroded connectors, or reprogramming/replacing the PCM if necessary.

7. How much does it cost to repair a P0704 code on a Mazda?

The cost can range from $50 to $200 for a replacement clutch pedal position switch, plus labor. Wiring repairs or PCM replacement may increase costs.

8. Can a P0704 code affect my Mazda’s performance?

While it may not directly impact engine performance, it can affect starting, cruise control functionality, and other systems reliant on clutch position data.

9. How do I reset the P0704 code on my Mazda after repairs?

You can clear the code using an OBDII scanner. If the issue is resolved, the code should not return. If it does, further diagnostics are needed.

10. What tools are required to troubleshoot the P0704 code on a Mazda?

An OBDII scanner, a multimeter, and basic hand tools are typically needed for diagnosing and repairing this issue.

Discuss the causes and fixes for P0704 Mazda OBDII Code

  • Hi Guy's,
    Any advise appreciated. 2009 Mazda 6 Diesel 2.2ltr is showing OBD code P0704 $07E8 Generic!

    I 1st cleared it 3wks ago and its back, so wondering if anyone has dealt with this, and how much should it cost to fix?

    Thanks in advance...Don

  • how did you cleared it ?

  • I have an Autolink AL319 OBD Reader!!

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