P0135 1996 Honda Civic Code - O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1
Quick Answer
Oxygen Sensors (O2S) or Heated Oxygen Sensors (HO2S) need to reach a minimum operating temperature of 750 degrees F to produce an accurate voltage signal. Common causes include Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1, Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse, Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit open shorted to ground. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P0135 1996 Honda Civic indicates O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1.
- Common causes
- Common causes include Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1, Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse, Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit open shorted to ground.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code P0135 1996 Honda Civic Description
In order to achieve the require temperature, a heater element is included inside the heated oxygen sensor. The ECM controls the heated oxygen sensor heater element based on signals from the engine coolant temperature and engine load. The ECM controls the heater element circuit by allowing current flow to ground.
The ECM monitors the voltage signal received through the heater element circuit and determines the state of the circuit by comparing the voltage detected with the factory specifications.
What are the Possible Causes of the DTC P0135 1996 Honda Civic?
- Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit open shorted to ground
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0135 1996 Honda Civic?
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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0135 1996 Honda Civic 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 P0135 1996 Honda Civic code?
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Frequently Asked Questions about P0135 1996 Honda Civic Code
1. What does OBDII code P0135 mean for a 1996 Honda Civic?
The code P0135 indicates a malfunction in the O2 sensor heater circuit for Bank 1 Sensor 1 in the exhaust system of the vehicle.
2. What are common symptoms of a P0135 code on a 1996 Honda Civic?
Common symptoms include poor fuel economy, rough idling, engine hesitation, and an illuminated check engine light on the dashboard.
3. What causes the O2 sensor heater circuit malfunction in a 1996 Honda Civic?
Possible causes include a faulty O2 sensor, damaged wiring or connectors in the heater circuit, a blown fuse, or a problem with the engine control module (ECM).
4. How can I diagnose a P0135 code on my 1996 Honda Civic?
Diagnosing the issue involves using an OBDII scanner to retrieve the specific trouble code, testing the O2 sensor heater circuit for continuity, inspecting wiring and connectors for damage, and checking the fuse related to the O2 sensor.
5. Can I still drive my 1996 Honda Civic with a P0135 code?
It is generally safe to drive the vehicle with a P0135 code, but it is recommended to address the issue promptly to prevent potential damage to the catalytic converter and ensure optimal engine performance.
6. How do I repair a P0135 code on a 1996 Honda Civic?
Repair methods may involve replacing the faulty O2 sensor, repairing damaged wiring or connectors, replacing a blown fuse, or reprogramming the ECM if necessary.
7. Are there any DIY tips for fixing a P0135 code on a 1996 Honda Civic?
DIY enthusiasts can attempt to replace the O2 sensor themselves using basic tools and following step-by-step instructions provided in the vehicle's repair manual.
8. Can a P0135 code be caused by other underlying issues in a 1996 Honda Civic?
Yes, other issues such as exhaust leaks, vacuum leaks, or fuel system problems can sometimes trigger a P0135 code, so a thorough diagnosis is recommended.
9. How long does it typically take to repair a P0135 code on a 1996 Honda Civic?
The repair time can vary depending on the exact cause of the issue, but a straightforward repair like replacing the O2 sensor can usually be completed within an hour or two.
10. Should I reset the check engine light after fixing a P0135 code on my 1996 Honda Civic?
Yes, after resolving the issue causing the P0135 code, it is recommended to reset the check engine light using an OBDII scanner to clear the code and ensure proper functioning of the vehicle's monitoring system.
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