Engine-CodesScion – C1313 Scion

C1313 Scion Code - Open In Main Relay 2 Circuit

Quick Answer

The C1313 diagnostic trouble code for Scion vehicles indicates an open in the Main Relay 2 circuit. Common causes include Damaged wiring or connectors in the Main Relay 2 circuit, A faulty Main Relay 2, Loose or corroded electrical connections. 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
C1313 Scion indicates Open In Main Relay 2 Circuit.
Common causes
Common causes include Damaged wiring or connectors in the Main Relay 2 circuit, A faulty Main Relay 2, Loose or corroded electrical connections.
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 16, 2024
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Code C1313 Scion Description

The C1313 diagnostic trouble code for Scion vehicles indicates an open in the Main Relay 2 circuit. This means that there is an interruption or break in the electrical circuit that controls the Main Relay 2, which is responsible for supplying power to various components in the vehicle. The Main Relay 2 is crucial for the proper functioning of essential systems such as the fuel pump, ignition system, and other key components.

OBDII Code C1313 Scion - Open In Main Relay 2 Circuit
C1313 Scion Code - Open In Main Relay 2 Circuit

Common Causes of C1313 Scion

  1. Damaged wiring or connectors in the Main Relay 2 circuit.
  2. A faulty Main Relay 2.
  3. Loose or corroded electrical connections.
  4. Malfunctioning control module that controls the Main Relay 2.
  5. Electrical short circuits in the circuit.

Symptoms of C1313 Scion

  1. Engine cranks but does not start.
  2. Intermittent stalling while driving.
  3. Loss of power while accelerating.
  4. Check Engine Light illuminated on the dashboard.
  5. Fuel pump not priming when the ignition is turned on.

How to Fix C1313 Scion

  1. Begin by conducting a thorough visual inspection of the wiring and connectors in the Main Relay 2 circuit to look for any visible damage or corrosion.
  2. Test the Main Relay 2 using a multimeter to determine if it is functioning correctly. Replace the relay if necessary.
  3. Check and tighten any loose electrical connections in the circuit.
  4. Test the control module that controls the Main Relay 2 to ensure it is sending the proper signals. Replace the module if needed.
  5. Clear the diagnostic trouble codes from the vehicle's computer and test the vehicle to ensure that the issue has been resolved.

Cost to Fix C1313 Scion

The typical repair costs for addressing an open in the Main Relay 2 circuit can vary depending on the specific cause of the issue and the labor rates in your area. In general, parts for this repair may range from $50 to $200, while labor costs can add an additional $100 to $300. Overall, you can expect to pay anywhere from $150 to $500 for this repair. Keep in mind that prices may fluctuate based on the location, vehicle make and model, and the rates charged by the repair shop. It is recommended to obtain quotes from local auto repair shops to get a more accurate estimate for your specific situation.

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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 C1313 Scion Code

1. What are the common symptoms of OBDII code C1313 in a Scion related to an open in Main Relay 2 circuit?

- Common symptoms include the engine not starting, intermittent stalling, and issues with power delivery.

2. What can cause the OBDII code C1313 to trigger in a Scion?

- The code may be triggered by a faulty main relay, damaged wiring in the relay circuit, or a poor electrical connection.

3. How can I diagnose the open in Main Relay 2 circuit issue in my Scion?

- Use a multimeter to test the continuity of the wiring in the relay circuit, check the main relay for proper functioning, and inspect for any loose connections.

4. What are the potential dangers of ignoring the OBDII code C1313 in a Scion?

- Ignoring this code can lead to the vehicle stalling unexpectedly, potential starting issues, and overall unreliable performance.

5. Can I drive my Scion with the OBDII code C1313 present?

- It is not recommended to drive the vehicle with this code present, as it can lead to safety hazards and further damage to the electrical system.

6. How much does it typically cost to repair the open in Main Relay 2 circuit issue in a Scion?

- The cost of repair can vary depending on the exact cause of the problem, but it may range from $100 to $300 for parts and labor.

7. Are there any DIY repair tips for fixing the OBDII code C1313 in a Scion?

- DIY enthusiasts can attempt to inspect and clean the main relay contacts, check and repair any damaged wiring, and ensure all connections are secure.

8. Can a faulty battery or alternator cause the OBDII code C1313 in a Scion?

- While a weak battery or alternator can contribute to electrical issues, the code C1313 specifically relates to an open in Main Relay 2 circuit.

9. How long does it take to repair the open in Main Relay 2 circuit issue in a Scion?

- The repair time can vary depending on the extent of the issue, but a skilled mechanic may take around 1-2 hours to diagnose and fix the problem.

10. Will resetting the OBDII code C1313 in a Scion make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue is not fixed, the code is likely to reappear.

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