DTC P0135 Honda
Air Fuel Ratio (A F) Sensor (Sensor 1) Heater Circuit Malfunction
Air Fuel Ratio (A F) Sensor (Sensor 1) Heater Circuit Malfunction
Description
With the engine running and the engine temperature at least 69 degrees the following malfunctions are detected. Malfunction 1: The heater current is 0.8 A or less for at least 4 seconds while the heater is active, and the heater current is 0.8 A or more for at least 4 seconds while the heater is not active. Malfunction 2: The heater current is 15.2 A or more for at least 0.6 second. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.
Cause and Solution
Blown fuse Poor connections or loose wires at the the A F sensor (Sensor 1), the relay, and the ECM PCM Open or Short circuit between the A F sensor (Sensor 1), A F sensor relay and or the ECM PCM Faulty A F sensor relay Faulty A F sensor (Sensor 1) Faulty ECM PCM
Video Guide
Diagnostic Info
- DTC Code: P0135
- Brand: Honda