Engine-Codes - Toyota - P1520 2000 TOYOTA ECHO

P1520 2000 TOYOTA ECHO - Stop Light Switch Signal Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What is this?
Table of contents

P1520 2000 TOYOTA ECHO Possible Causes

  • 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 is the P1520 2000 TOYOTA ECHO code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the cost to diagnose the P1520 2000 TOYOTA ECHO code

Labor: 1.0

The cost to diagnose the P1520 2000 TOYOTA ECHO code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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When is the code detected?

The stop light switch does not turn off even once the vehicle is driven (2 trip detection logic)

Possible Symptoms

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

P1520 2000 TOYOTA ECHO Meaning

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).

More Information

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