Engine-CodesInfiniti – C1735 Infiniti

C1735 Infiniti Code - Ignition Signal

Quick Answer

The C1735 code for Infiniti vehicles refers to an issue with the ignition signal. Common causes include Faulty ignition coil, Malfunctioning ignition control module, Wiring issues or loose connections in the ignition system. 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
C1735 Infiniti indicates Ignition Signal.
Common causes
Common causes include Faulty ignition coil, Malfunctioning ignition control module, Wiring issues or loose connections in the ignition system.
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.
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code C1735 Infiniti Description

The C1735 code for Infiniti vehicles refers to an issue with the ignition signal. This code indicates that there is a problem with the signal being sent from the ignition system to the engine control module (ECM). The ignition signal is crucial for proper engine operation, as it is responsible for initiating the combustion process in the cylinders. When this signal is compromised, it can lead to a range of performance issues and potentially cause long-term damage if not addressed promptly.

OBDII Code C1735 Infiniti - Ignition Signal
C1735 Infiniti Code - Ignition Signal

Common Causes of C1735 Infiniti

  1. Faulty ignition coil
  2. Malfunctioning ignition control module
  3. Wiring issues or loose connections in the ignition system
  4. ECM software or hardware problems
  5. Electrical system issues, such as a weak battery or alternator

Symptoms of C1735 Infiniti

  1. Check engine light is illuminated
  2. Engine misfires or runs rough
  3. Decreased fuel efficiency
  4. Difficulty starting the engine
  5. Engine stalling or hesitation

How to Fix C1735 Infiniti

  1. Diagnose the issue by using a scan tool to retrieve the DTC and inspecting the ignition system components for any visible damage or wear.
  2. Test the ignition coil and ignition control module for proper operation using a multimeter or oscilloscope.
  3. Check the wiring harness and connectors for any signs of damage or corrosion, and repair or replace as needed.
  4. Clear the DTC from the ECM memory and reset the system to see if the code returns after repairs are made.
  5. If the issue persists, consider seeking professional help from a certified mechanic or dealership for further diagnosis and repair.

Cost to Fix C1735 Infiniti

The cost of repairing the ignition signal issue can vary depending on the specific cause of the problem and the labor rates in your area. In general, replacing an ignition coil or ignition control module can cost between $150 and $300 each, including parts and labor. Wiring repairs or ECM diagnostics may incur additional costs. It's recommended to contact local auto repair shops for accurate estimates based on your vehicle's make and model. Keep in mind that labor rates can range from $80 to $150 per hour, so the total repair cost may vary accordingly.

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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 C1735 Infiniti Code

1. What are the common symptoms of OBDII code C1735 in an Infiniti related to the Ignition Signal?

- Common symptoms include issues with starting the vehicle, engine misfires, and poor engine performance.

2. What are some possible causes of OBDII code C1735 related to the Ignition Signal in an Infiniti?

- Possible causes can include faulty ignition coils, damaged wiring or connectors in the ignition system, or a malfunctioning ignition control module.

3. How can I diagnose the OBDII code C1735 in my Infiniti related to the Ignition Signal?

- Diagnosing this code usually involves using a scan tool to read the specific error code, checking the ignition system components for any visible damage, and testing the components for proper functioning.

4. Can a DIY enthusiast repair OBDII code C1735 in an Infiniti related to the Ignition Signal?

- While some basic troubleshooting like checking wiring connections can be done by a DIY enthusiast, diagnosing and repairing complex issues with the ignition system may require professional help.

5. Are there any quick tips to troubleshoot OBDII code C1735 in an Infiniti related to the Ignition Signal?

- Quick tips include checking the ignition fuse, inspecting the ignition coils for signs of wear, and ensuring all connections in the ignition system are secure.

6. How crucial is it to address OBDII code C1735 in an Infiniti related to the Ignition Signal promptly?

- It is important to address this code promptly as Ignition Signal issues can lead to poor engine performance, increased fuel consumption, and potential damage to other engine components.

7. What are the potential risks of ignoring OBDII code C1735 related to the Ignition Signal in an Infiniti?

- Ignoring this code can result in engine misfires, difficulty starting the vehicle, decreased fuel efficiency, and potential damage to the catalytic converter.

8. Is it safe to continue driving my Infiniti with OBDII code C1735 related to the Ignition Signal?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage and potentially unsafe driving conditions.

9. How much should I expect to pay for repairing OBDII code C1735 related to the Ignition Signal in an Infiniti?

- The cost of repairs can vary depending on the exact cause of the issue, but it is advisable to budget for diagnostic fees, parts replacement costs, and labor charges.

10. Can regular maintenance help prevent OBDII code C1735 related to the Ignition Signal in an Infiniti?

- Regular maintenance, such as timely replacement of spark plugs and ignition components, can help prevent issues that may trigger this OBDII code.

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