Possible causes – Engine Control Module (ECM) may be faulty– ECM harness power supply circuit is open or shorted– ECM harness ground circuit is open or shorted Tech description Try erasing the code first, if the light comes back ON you may have to replaced the ECM to repair the problem. Symptoms – Engine Light…
Tag: INFINITI
P1447 INFINITI Evaporative Emission Control System Purge Flow Monitor
Possible causes – EVAP canister purge volume control solenoid valve stuck closed – EVAP control system pressure sensor and the circuit – Loose, disconnected or improper connection of rubber tube – Blocked rubber tube – Cracked EVAP canister – EVAP canister purge volume control solenoid valve circuit – Closed throttle position switch – Blocked purge…
P0441 INFINITI Evaporative Control System Incorrect Purge Flow
Possible causes - EVAP canister purge volume control solenoid valve stuck closed– EVAP control system pressure sensor and the circuit- Loose, disconnected or improper connection of rubber tube- Blocked rubber tube- Cracked EVAP canister- EVAP canister purge volume control solenoid valve circuit- Accelerator pedal position sensor- Blocked purge port- EVAP canister vent control valve Tech…
P1448 INFINITI EVAP Canister Vent Control Valve Open
Possible causes – EVAP canister vent control valve– EVAP canister is saturated with water– EVAP control system pressure sensor and the circuit– Blocked rubber tube to EVAP canister vent control valve– Water separator Tech description Start by checking for damage EVAP canister or hoses. If no hoses are damage the EVAP canister vent control valve…
P1446 INFINITI EVAP Canister Vent Control Valve Close
Possible causes – EVAP control system pressure sensor and the circuit– Blocked rubber tube to EVAP canister vent control valve– EVAP canister vent control valve– Water separator– EVAP canister is saturated with water When is the obd code mean? EVAP canister vent control valve remains closed under specified driving conditions. Symptoms – Engine Light ON…
P0443 INFINITI EVAP Canister Purge Volume Control Solenoid Valve
Possible causes – EVAP control system pressure sensor– Damage harness or connectors to the Purge Control Valve– The valve circuit is open or shorted– EVAP canister purge volume control solenoid valve may be faulty (The valve is stuck open) Tech description It’s a very common problem with Infiniti vehicles. If the harness is not damage,…
P1065 INFINITI ECM Power Supply Circuit
Possible causes – ECM Harness power supply circuit is open or shorted– ECM Harness ground supply circuit is open or shorted– ECM may be faulty When is the obd code mean? ECM back-up RAM system does not function properly. Symptoms Engine Light ON (or Service Engine Soon Warning Light) P1065 INFINITI OBD Code Description Battery…
P1401 INFINITI EGR Temperature Sensor
Possible causes – EGR Temperature Sensor harness is open or shorted– EGR Temperature Sensor circuit poor electrical connection– Faulty EGR Temperature Sensor– Malfunction of EGR function, EGRC-BPT valve or EGRC-solenoid valve– Blocked EGR passages When is the obd code mean? An excessively low voltage from the Exhaust Gas Recirculation (EGR) temperature sensor is sent to…
P0406 INFINITI Exhaust Gas Recirculation Temperature Sensor Circuit High Input
Possible causes – EGR Valve clogged, dirty or leaky– EGR valve damaged/defective– EGR volume control solenoid valve– EGR temperature sensor and circuit– EGR volume control solenoid valve harness is open or shorted– EGR volume control solenoid valve circuit poor electrical connection When is the obd code mean? An improper voltage signal is sent to ECM…
P1051 INFINITI Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 2
Possible causes – Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted– Air Fuel Ratio Sensor 1 Bank 2 circuit poor electrical connection– Faulty Air Fuel Ratio Sensor 1 Bank 2 Tech description There is a factory service bulletin for the following Infiniti models: 2004-2005 Infiniti FX352004-2005 Infiniti FX452004-2005 Infiniti G35 Sedan2004-2005…