P0352 2018 Toyota RAV4 Code - Ignition Coil 2 Primary/Secondary Circuit
Quick Answer
A Direct Ignition System (DIS) is a 1-cylinder ignition system in which each cylinder is ignited by one ignition coil assembly and one spark plug is connected to the end of each secondary wiring. Common causes include Faulty Ignition Coil 2, Ignition Coil 2 harness is open or shorted, Ignition Coil 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
- P0352 2018 Toyota RAV4 indicates Ignition Coil 2 Primary/Secondary Circuit.
- Common causes
- Common causes include Faulty Ignition Coil 2, Ignition Coil 2 harness is open or shorted, Ignition Coil 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.
Code P0352 2018 Toyota RAV4 Description
The Engine Control Module (ECM) determines the ignition timing and transmits the ignition (IGT) signals to each cylinder. Using the IGT signal, the ECM turns the power transistor inside the igniter on and off. The power transistor, in turn, switches the current supplied to the primary coil on and off. When the current to the primary coil is cut off, a powerful voltage is generated in the secondary coil. This voltage is applied to the spark plugs, causing them to spark inside the cylinders. As the ECM cuts the current to the primary coil, the igniter sends back an ignition confirmation (IGF) signal to the ECM for each cylinder ignition.
If the ECM does not receive any IGF signals despite transmitting the IGT signal, it interprets this as a fault in the igniter and stores a Diagnostic Trouble Code (DTC).
What are the Possible Causes of the DTC P0352 2018 Toyota RAV4?
- Faulty Ignition Coil 2
- Ignition Coil 2 harness is open or shorted
- Ignition Coil 2 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0352 2018 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 P0352 2018 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 P0352 2018 Toyota RAV4 code?
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Frequently Asked Questions about P0352 2018 Toyota RAV4 Code
What does the OBDII code P0352 mean for a 2018 Toyota RAV4?
P0352 indicates a malfunction in the ignition coil "2" primary or secondary circuit, which affects engine performance.
What are the common symptoms of code P0352 in a 2018 Toyota RAV4?
Symptoms may include engine misfires, rough idling, reduced fuel efficiency, difficulty starting, and an illuminated check engine light.
What causes the P0352 code in a 2018 Toyota RAV4?
Common causes include a faulty ignition coil, damaged wiring or connectors, a defective ECM, or issues with the ignition coil circuit.
Can you drive a 2018 Toyota RAV4 with the P0352 code?
Driving with this code is not recommended, as it can lead to further engine damage or unsafe driving conditions due to misfires.
How do you diagnose code P0352 in a 2018 Toyota RAV4?
Diagnosis involves inspecting the ignition coil, wiring, and connectors for damage, testing the coil with a multimeter, and checking the ECM for faults.
How do you fix the P0352 code in a 2018 Toyota RAV4?
Repairs may include replacing the faulty ignition coil, repairing damaged wiring or connectors, and, if necessary, replacing the ECM.
Can a bad spark plug cause the P0352 code in a 2018 Toyota RAV4?
While unlikely, a worn or faulty spark plug can contribute to ignition problems that may trigger related codes.
How much does it cost to repair the P0352 code on a 2018 Toyota RAV4?
Repair costs vary but typically range from $100 to $300 for an ignition coil replacement, plus labor charges if performed by a mechanic.
Will the P0352 code clear itself after repairs?
The code may clear itself after successful repairs, but it’s recommended to reset the ECM using an OBDII scanner to ensure the issue is resolved.
Can a failing ECM cause the P0352 code on a 2018 Toyota RAV4?
Yes, a failing ECM can disrupt the ignition coil circuit and trigger the P0352 code, though this is less common than other causes.
Discuss the causes and fixes for P0352 2018 Toyota RAV4 OBDII Code
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