P1320 Lexus Code - Igniter Circuit Malfunction No. 5
Quick Answer
Direct Ignition System (DIS) is a 1-cylinder ignition system that ignites one cylinder with one ignition coil. Common causes include Faulty Ignition Coil No, 5, Ignition Coil No. 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
- P1320 Lexus indicates Igniter Circuit Malfunction No. 5.
- Common causes
- Common causes include Faulty Ignition Coil No, 5, Ignition Coil No.
- 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 P1320 Lexus Description
What are the Possible Causes of the DTC P1320 Lexus?
- Faulty Ignition Coil No. 5
- Ignition Coil No. 5 harness is open or shorted
- Ignition Coil No. 5 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P1320 Lexus?
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 P1320 Lexus 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.
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Frequently Asked Questions about P1320 Lexus Code
1. What does the OBDII code P1320 mean on a Lexus?
P1320 indicates an igniter circuit malfunction in cylinder No. 5, suggesting an issue with the ignition system.
2. What are the common symptoms of the P1320 code in a Lexus?
Symptoms include engine misfires, rough idling, reduced power, difficulty starting, and possible activation of the check engine light.
3. What causes the P1320 code to appear in a Lexus?
Common causes include a faulty ignition coil, damaged spark plugs, wiring issues, or a malfunctioning igniter circuit.
4. Can a bad ignition coil trigger the P1320 code in a Lexus?
Yes, a defective ignition coil is a common cause of this code as it disrupts the igniter circuit's performance.
5. How can I diagnose the P1320 code on my Lexus?
Inspect the ignition coil, spark plugs, and wiring associated with cylinder No. 5 for damage or wear, and perform tests with a multimeter if necessary.
6. Is it safe to drive my Lexus with the P1320 code active?
Driving with this code can cause engine misfires and damage to other components. It’s best to address the issue promptly.
7. How do I fix the P1320 code on a Lexus?
Repairs may include replacing the ignition coil, spark plug, or fixing damaged wiring connected to cylinder No. 5.
8. Will clearing the P1320 code fix the problem in my Lexus?
Clearing the code doesn’t resolve the underlying issue. You need to diagnose and repair the fault causing the igniter circuit malfunction.
9. Can a bad ECU cause the P1320 code on a Lexus?
It's rare, but a malfunctioning ECU can sometimes cause ignition circuit issues. Inspect other components first before considering ECU replacement.
10. How much does it cost to repair the P1320 code on a Lexus?
Repair costs vary depending on the issue, but replacing an ignition coil typically costs $100-$300 plus labor.
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