2001 INFINITI QX4 Factory Service Manual

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Page 937 of 2395

INFINITI QX4 2001 Factory Service Manual 11 CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION With CONSULT-II 1. Disconnect vacuum hose to EVAP canister purge volume control solenoid valve at EVAP service port. 2. Start engin

Page 938 of 2395

INFINITI QX4 2001 Factory Service Manual 14 CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE With CONSULT-II 1. Start engine. 2. Perform ªPURG VOL CONT/Vº in ªACTIVE TESTº mode with CONSULT-II. Check that engine speed varies accor

Page 939 of 2395

INFINITI QX4 2001 Factory Service Manual 15 CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE With CONSULT-II Check air passage continuity of EVAP canister purge volume control solenoid valve under the following conditions. SEF986Y SEF

Page 940 of 2395

INFINITI QX4 2001 Factory Service Manual 16 CHECK ABSOLUTE PRESSURE SENSOR 1. Remove absolute pressure sensor with its harness connector connected. SEF961Y 2. Remove hose from absolute pressure sensor. 3. Install a vacuum pump to absolute pr

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INFINITI QX4 2001 Factory Service Manual 18 CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR 1. Remove EVAP control system pressure sensor with its harness connector connected. CAUTION: INever apply force to the air hole protector of the sensor if

Page 942 of 2395

INFINITI QX4 2001 Factory Service Manual SEF018S Component DescriptionNBEC0616The fuel level sensor is mounted in the fuel level sensor unit. The sensor detects a fuel level in the fuel tank and transmits a signal to the ECM. It consists of

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INFINITI QX4 2001 Factory Service Manual Wiring DiagramNBEC0620 MEC983C DTC P0460 FUEL LEVEL SENSOR FUNCTION (SLOSH) Wiring Diagram EC-408

Page 944 of 2395

INFINITI QX4 2001 Factory Service Manual Diagnostic Procedure=NBEC0621 1 CHECK FUEL LEVEL SENSOR POWER SUPPLY CIRCUIT 1. Turn ignition switch ªOFFº. 2. Disconnect fuel level sensor unit harness connector. 3. Turn ignition switch ªONº. 4.
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