AutoCodes – Toyota – P2402 2016 Toyota RAV4

P2402 2016 Toyota RAV4 Code - Evaporative Emission Leak Detection Pump Stuck ON

Quick Answer

5 hours after the ignition switch is turned off, the leak detection pump creates negative pressure (vacuum) in the Evaporative Emission (EVAP) system. Common causes include Faulty Canister Pump Module, Canister Pump Module harness is open or shorted, Canister Pump Module 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: P2402 2016 Toyota RAV4 indicates Evaporative Emission Leak Detection Pump Stuck ON.
Common causes: Common causes include Faulty Canister Pump Module, Canister Pump Module harness is open or shorted, Canister Pump Module 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 401

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 Aug 30, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2402 2016 Toyota RAV4 Description

5 hours after the ignition switch is turned off, the leak detection pump creates negative pressure (vacuum) in the Evaporative Emission (EVAP) system. The Engine Control Module (ECM) monitors for leaks and actuator malfunctions based on the EVAP pressure. The leak detection pump creates negative pressure through the reference orifice. When the system is normal, the EVAP pressure is between 97 to 100 kPa(abs) [726 to 750 mmHg(abs) (Typical value)] and saturated within a minute. If not, the ECM interprets this as a malfunction. The ECM illuminates the MIL and stores a Diagnostic Trouble Code (DTC) if this malfunction is detected in consecutive drive cycles. The Canister Pump Module is attached to the EVAP Canister and contains the Canister Pressure Sensor, the Leak Detection Pump, and the Vent Valve.

OBDII Code P2402 2016 Toyota RAV4 - Evaporative Emission Leak Detection Pump Stuck ON - AutoCodes.com — P2402 2016 Toyota RAV4 Code - Evaporative Emission Leak Detection Pump Stuck ON

What does this mean?

What are the Possible Causes of the DTC P2402 2016 Toyota RAV4?

Faulty Canister Pump Module
Canister Pump Module harness is open or shorted
Canister Pump Module circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P2402 2016 Toyota RAV4?

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 P2402 2016 Toyota RAV4 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 P2402 2016 Toyota RAV4 code?

Need more information on how to fix the P2402 2016 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P2402 2016 Toyota RAV4 Code

1. What does OBDII code P2402 mean for my 2016 Toyota RAV4?

The code P2402 indicates an issue with the Evaporative Emission Leak Detection Pump being stuck ON.

2. What are the common symptoms of a P2402 code in a 2016 Toyota RAV4?

Common symptoms include the Check Engine Light illuminating on the dashboard and potentially reduced fuel economy.

3. What can cause the P2402 code to trigger in a 2016 Toyota RAV4?

The P2402 code is often triggered by a malfunction within the Evaporative Emission Leak Detection Pump or its circuit.

4. How serious is the P2402 code in a 2016 Toyota RAV4?

While the vehicle may still be driveable, it is important to address the issue promptly to prevent potential damage to the emissions system and ensure optimal fuel efficiency.

5. Can I continue driving my 2016 Toyota RAV4 with a P2402 code?

It is generally safe to drive the vehicle for a short period with the P2402 code, but it is recommended to have it checked by a mechanic as soon as possible.

6. How do I diagnose the P2402 code in my 2016 Toyota RAV4?

Diagnosing the P2402 code usually involves inspecting the Evaporative Emission Leak Detection Pump, its electrical connections, and related components for any signs of damage or malfunction.

7. What are some repair tips for fixing the P2402 code in a 2016 Toyota RAV4?

Repairing the P2402 code may involve replacing the Evaporative Emission Leak Detection Pump, repairing any damaged wiring or connectors, or resetting the system after addressing the issue.

8. Can I reset the P2402 code in my 2016 Toyota RAV4 myself?

While you can attempt to clear the code using an OBDII scanner, it is recommended to address the underlying issue first to prevent the code from reappearing.

9. How much does it cost to repair the P2402 code in a 2016 Toyota RAV4?

The cost of repairing the P2402 code can vary depending on the extent of the issue, the parts needed for replacement, and the labor rates of the mechanic or dealership.

10. Will the P2402 code in my 2016 Toyota RAV4 affect the vehicle's emissions test?

Yes, having an unresolved P2402 code may cause the vehicle to fail emissions testing, so it is important to fix the issue before undergoing any emissions inspections.