Tag: INFINITI

Possible causes – Faulty Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1– Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 harness is open shorted to ground– Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit poor electrical connection– Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit fuse– Faulty Engine Control Module (ECM) Tech description…

Possible causes – Faulty Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1– Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 harness is open shorted to ground– Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 circuit poor electrical connection– Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 circuit fuse– Faulty Engine Control Module (ECM) Tech description…

Possible causes – Faulty Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1– Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 harness is open shorted to ground– Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 circuit poor electrical connection– Faulty Engine Control Module (ECM) Tech description For models before 2006 see: P0052 Infiniti When is the…

Possible causes – Faulty Battery Current Sensor– Battery Current Sensor harness is open or shorted– Battery Current Sensor circuit poor electrical connection When is the obd code mean? The P1554 code is detected when the output voltage of the battery current sensor is lower than the specified value while the battery voltage is high enough….

Possible causes – Faulty Brake Booster Pressure Sensor– Brake Booster Pressure Sensor harness is open or shorted– Brake Booster Pressure Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0555 INFINITI OBD Code Description Brake booster pressure sensor is connected to brake booster by a hose. It detects…

Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 1 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection When is the obd code mean? The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 0V. Symptoms –…

Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 1 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection When is the obd code mean? The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 0V. Symptoms –…

Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 1 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection When is the obd code mean? The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 0V. Symptoms –…

Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 2 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection When is the obd code mean? The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 0V. Symptoms –…

Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 2 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection When is the obd code mean? The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 0V. Symptoms –…