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.

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…