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.
Tag: INFINITI
C1156 INFINITI Steering Angle Sensor Communications Circuit
When is the obd code mean? CAN communication line or steering angle sensor has generated an error.
P1491 INFINITI Vacuum Cut Valve Bypass Valve
Possible causes – Vacuum cut valve bypass valve– Vacuum cut valve– Bypass hoses for clogging– EVAP control system pressure sensor and circuit– EVAP canister vent control valve– Hose between fuel tank and vacuum cut valve clogged– Hose between vacuum cut valve and EVAP canister clogged– EVAP purge port of fuel tank for clogging When is…
P1720 INFINITI Vehicle Speed Meter Circuit Malfunction
Possible causes – VDC/TCS/ABS to ECM circuit harness is open or shorted– TCM to ECM circuit harness is open or shorted– VDC/TCS/ABS to ECM circuit connectors – TCM to ECM circuit connectors – Faulty revolution sensor When is the obd code mean? Malfunction is detected when ECM detects a difference between two vehicle speed sensor…
P1605 INFINITI Automatic Transmission Communication
Possible causes – Weak battery– Faulty Transmission Control Module (TCM)– Harness is open or shorted between (TCM) and Engine Control Module (ECM)– Poor circuit electrical connection between (TCM) and (ECM) Tech description There is a service bulletin for the 2001 Infiniti I30. 2001 Infiniti I30 Factory Service Bulletin OBDII Code P1605 When is the obd…
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…
P1402 INFINITI EGR Function Open
Possible causes – The EGR volume control valve circuit harness is open or shorted– EGR volume control valve leaking or stuck open– Faulty EGR temperature sensor Tech description Start by cleaning the EGR valve, if the code persist it may be necessary to replaced the EGR Valve Symptoms – Engine Light ON (or Service Engine…
P1217 INFINITI Engine Over Temperature
Possible causes – Thermostat– Cooling fan harness is open or shorted– Cooling fan circuit poor electrical connection– Faulty cooling fan motor– Engine Control Module (ECM) Program – Faulty IPDM E/R – Faulty Cooling fan control module– Radiator hose – Radiator– Radiator cap – Water pump Tech description The most likely cause that will trigger the…
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…