AutoCodes – Toyota – P1520 1997 Toyota Camry

P1520 1997 Toyota Camry Code - Stop Light Switch Signal Malfunction

Quick Answer

This signal is used to detect when the brakes have been applied. Common causes include Faulty Stop Light Switch, Stop Light Switch harness is open or shorted, Stop Light Switch 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: P1520 1997 Toyota Camry indicates Stop Light Switch Signal Malfunction.
Common causes: Common causes include Faulty Stop Light Switch, Stop Light Switch harness is open or shorted, Stop Light Switch 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 3,241

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 27, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1520 1997 Toyota Camry Description

This signal is used to detect when the brakes have been applied. The STP signal voltage is the same as the voltage supplied to the stop lights. The STP signal is used mainly to control the fuel cut–off engine speed (The fuel cut–off engine speed is reduced slightly when the vehicle is braking).

OBDII Code P1520 1997 Toyota Camry - Stop Light Switch Signal Malfunction - AutoCodes.com — P1520 1997 Toyota Camry Code - Stop Light Switch Signal Malfunction

What does this mean?

What are the Possible Causes of the DTC P1520 1997 Toyota Camry?

Faulty Stop Light Switch
Stop Light Switch harness is open or shorted
Stop Light Switch circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P1520 1997 Toyota Camry?

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 P1520 1997 Toyota Camry 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 P1520 1997 Toyota Camry code?

Need more information on how to fix the P1520 1997 Toyota Camry code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1520 1997 Toyota Camry code diagnosed by a professional: Find a repair shop in your area

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 P1520 1997 Toyota Camry Code

1. What are the common symptoms of OBDII code P1520 on a 1997 Toyota Camry?

The common symptoms of OBDII code P1520 on a 1997 Toyota Camry include malfunctioning brake lights, problems with the cruise control system, and issues with shifting gears.

2. What is the main cause of OBDII code P1520 on a 1997 Toyota Camry?

The main cause of OBDII code P1520 on a 1997 Toyota Camry is a malfunction in the stop light switch signal, which can be due to a faulty stop light switch or wiring issues.

3. How can I diagnose the stop light switch signal malfunction on my 1997 Toyota Camry?

To diagnose the stop light switch signal malfunction on a 1997 Toyota Camry, you can use an OBDII scanner to retrieve the trouble code, visually inspect the stop light switch and its wiring for any damage, and test the switch for proper functionality.

4. Can I still drive my 1997 Toyota Camry with OBDII code P1520?

It is not recommended to drive your 1997 Toyota Camry with OBDII code P1520, as the malfunctioning stop light switch signal can affect critical safety systems like the brake lights and cruise control.

5. How can I repair OBDII code P1520 on my 1997 Toyota Camry?

To repair OBDII code P1520 on a 1997 Toyota Camry, you may need to replace the faulty stop light switch, repair any damaged wiring, and clear the trouble code using an OBDII scanner.

6. Can a DIY enthusiast fix OBDII code P1520 on a 1997 Toyota Camry?

Yes, a DIY enthusiast with some mechanical knowledge can potentially fix OBDII code P1520 on a 1997 Toyota Camry by following a repair manual or online guides for replacing the stop light switch and troubleshooting wiring issues.

7. What are the risks of ignoring OBDII code P1520 on a 1997 Toyota Camry?

Ignoring OBDII code P1520 on a 1997 Toyota Camry can lead to safety hazards, such as malfunctioning brake lights, which can increase the risk of accidents on the road.

8. How long does it take to repair OBDII code P1520 on a 1997 Toyota Camry?

The repair time for OBDII code P1520 on a 1997 Toyota Camry can vary depending on the extent of the issue, but it typically takes around 1-2 hours to replace the stop light switch and address any wiring problems.

9. Can a mechanic help me diagnose and repair OBDII code P1520 on my 1997 Toyota Camry?

Yes, a qualified mechanic can help diagnose and repair OBDII code P1520 on your 1997 Toyota Camry by using professional diagnostic tools and expertise in handling automotive electrical systems.

10. Will resetting the OBDII system clear OBDII code P1520 on a 1997 Toyota Camry?

Resetting the OBDII system may temporarily clear OBDII code P1520 on a 1997 Toyota Camry, but if the underlying issue with the stop light switch signal is not fixed, the code is likely to reappear.