Tag: INFINITI

P1148 INFINITI Closed Loop Control Function Bank 1

Possible causes For Models 2005 and up:– Faulty Air Fuel Ratio Sensor 1 Bank 1 – Air Fuel Ratio Sensor 1 Bank 1 circuit is open or shorted– Air Fuel Ratio Sensor 1 Bank 1 circuit electrical connection For Models before 2005:– Faulty Heated Oxygen Sensor 1 Bank 1– Heated Oxygen Sensor 1 Bank 1…

P1168 INFINITI Closed Loop Control Function Bank 2

Possible causes For Models 2005 and up:– Faulty Air Fuel Ratio Sensor 1 Bank 2 – Air Fuel Ratio Sensor 1 Bank 2 circuit is open or shorted– Air Fuel Ratio Sensor 1 Bank 2 circuit electrical connection For Models before 2005:– Faulty Heated Oxygen Sensor 1 Bank 2– Heated Oxygen Sensor 1 Bank 2…

C1140 INFINITI Actuator

When is the obd code mean? Actuator solenoid valve relay is ON, even if control unit sends off signal or Actuator solenoid valve relay is OFF, even if control unit sends on Relay, and Circuit signal.

C1130 INFINITI Engine Signal 1

When is the obd code mean? Based on the signal from Engine Control Module (ECM), the Control Area Network (CAN)-Local Arear Network (LAN) converter (CLC) judges that the engine control system is malfunctioning.

P0420 INFINITI Catalyst System Efficiency Below Threshold Bank 1

Possible causes – Three way catalyst converter Bank 1– Exhaust tube– Intake air leaks– Fuel injectors may be faulty– Fuel injector leaks– Spark plugs may be faulty– Improper ignition timing– Engine Control Module (ECM) Tech description As the code description implies the P0420 code means that the vehicle’s control module has detected that the three-way…

P0430 INFINITI Catalyst System Efficiency Below Threshold Bank 2

Possible causes – Three way catalyst converter Bank 2– Exhaust tube– Intake air leaks– Fuel injectors may be faulty– Fuel injector leaks– Spark plugs may be faulty– Improper ignition timing– Engine Control Module (ECM)- Three way catalyst converter Bank 2– Exhaust tube– Intake air leaks– Fuel injectors may be faulty– Fuel injector leaks– Spark plugs…

P2100 INFINITI Throttle Control Motor Relay Circuit Open

Possible causes – Throttle Control Motor Relay harness is open– Throttle Control Motor Relay circuit poor electrical connection– Faulty Throttle Control Motor Relay Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2100 INFINITI OBD Code Description Power supply for the throttle control motor is provided to the Engine Control Module (ECM) via…

P0510 INFINITI Closed Throttle Position Switch Fault

Possible causes – Throttle Position Switch (TPS) Adjustment– Faulty Throttle Position Switch (TPS)– Throttle Position Switch (TPS) harness open or shorted– Throttle Position Switch (TPS) circuit poor electrical connection Tech description Adjusting the Throttle Position Switch (TPS) may take care of the problem, if the problem persist the TPS may need to be replaced. When…