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P0078 2006 Infiniti G35 Code - Exhaust Valve Timing Control Magnet Retarder Circuit Bank 1

- Code Popularity: 10,141 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0078 2006 Infiniti G35?

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 Exhaust Valve Timing Control Magnet Retarder
  • Exhaust Valve Timing Control Magnet Retarder harness is open or shorted
  • Exhaust Valve Timing Control Magnet Retarder circuit poor electrical circuit connector
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How to Fix the DTC P0078 2006 Infiniti G35?

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 P0078 2006 Infiniti G35 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?

An improper voltage is sent to the Engine Control Module (ECM) through exhaust valve timing control magnet retarder.

What are Code Possible Symptoms?

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

Code P0078 2006 Infiniti G35 Description

Exhaust valve timing control magnet retarder controls the shut/open timing of the exhaust valve by ON/OFF pulse duty signals sent from the Engine Control Module (ECM). The longer pulse width retards valve angle. The shorter pulse width advances valve angle.

OBDII Code P0078 2006 Infiniti G35 - Exhaust Valve Timing Control Magnet Retarder Circuit Bank 1 - AutoCodes.com
P0078 2006 Infiniti G35 Code - Exhaust Valve Timing Control Magnet Retarder Circuit Bank 1

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