AutoCodes – Toyota – C1313 Toyota

C1313 Toyota Code - Open In Main Relay 2 Circuit

Quick Answer

The Anti-Lock Brake System (ABS) main relay 1 (ABS No.1 relay) supplies power to the changeover solenoid and the linear solenoid. Common causes include Faulty Anti-Lock Brake System (ABS) Main Relay 2, ABS Main Relay 2 harness is open or shorted, ABS Main Relay 2 circuit poor electrical connection. 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 Toyota indicates Open In Main Relay 2 Circuit.
Common causes: Common causes include Faulty Anti-Lock Brake System (ABS) Main Relay 2, ABS Main Relay 2 harness is open or shorted, ABS Main Relay 2 circuit poor electrical connection.
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.

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Code Popularity 13,628

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 06, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1313 Toyota Description

The Anti-Lock Brake System (ABS) main relay 1 (ABS No.1 relay) supplies power to the changeover solenoid and the linear solenoid. ABS main relay 2 (ABS No.2 relay) goes on for approximately 5 seconds after the ignition switch is turned off and the braking effort signal input is terminated. ABS main relay 2 (ABS No.2 relay) supplies electricity and maintains operating condition for the brake system when the ignition switch is off.

OBDII Code C1313 Toyota - Open In Main Relay 2 Circuit - AutoCodes.com — C1313 Toyota Code - Open In Main Relay 2 Circuit

What does this mean?

What are the Possible Causes of the DTC C1313 Toyota?

Faulty Anti-Lock Brake System (ABS) Main Relay 2
ABS Main Relay 2 harness is open or shorted
ABS Main Relay 2 circuit poor electrical connection

How to Fix the DTC C1313 Toyota?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1313 Toyota 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 C1313 Toyota code?

Need more information on how to fix the C1313 Toyota code? Get Access to Factory Service Manuals

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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 Toyota Code

1. What are common symptoms of OBDII code C1313 in a Toyota related to an open in the main relay 2 circuit?

- Common symptoms include difficulty starting the vehicle, engine stalling, or the vehicle not starting at all.

2. What can cause the OBDII code C1313 in a Toyota indicating an open in the main relay 2 circuit?

- The code may be triggered by a faulty main relay, damaged wiring or connectors, or a blown fuse in the circuit.

3. How can I diagnose the OBDII code C1313 in a Toyota for an open in the main relay 2 circuit?

- Use a multimeter to test the continuity of the circuit, inspect the wiring and connectors for damage, and check the main relay for proper functioning.

4. Can a DIY enthusiast repair the open in the main relay 2 circuit causing OBDII code C1313 in a Toyota?

- Repairing this issue may require electrical knowledge and experience, so it's recommended to consult a professional mechanic for proper diagnosis and repair.

5. Is it safe to continue driving my Toyota with the OBDII code C1313 related to an open in the main relay 2 circuit?

- It's not recommended to drive the vehicle with this issue as it can lead to potential stalling or starting problems, which may result in safety hazards.

6. How much does it typically cost to repair the open in the main relay 2 circuit triggering OBDII code C1313 in a Toyota?

- Repair costs can vary depending on the extent of the issue and labor rates, but it's advisable to budget for diagnostic fees, replacement parts, and labor charges.

7. Can a bad battery cause the OBDII code C1313 in a Toyota linked to an open in the main relay 2 circuit?

- A weak or failing battery can sometimes trigger electrical issues, but the C1313 code specifically points to an open in the main relay 2 circuit.

8. Will resetting the OBDII system clear the code C1313 related to the open in the main relay 2 circuit in a Toyota?

- While clearing the code may temporarily turn off the check engine light, it won't fix the underlying issue causing the code to trigger repeatedly.

9. Are there any preventive measures to avoid the OBDII code C1313 for an open in the main relay 2 circuit in a Toyota?

- Regular vehicle maintenance, checking the electrical system periodically, and addressing any warning signs promptly can help prevent such issues.

10. Can extreme weather conditions impact the likelihood of encountering the OBDII code C1313 in a Toyota due to an open in the main relay 2 circuit?

- Extreme temperatures or moisture can potentially exacerbate existing electrical problems, so it's important to keep the vehicle protected and well-maintained.