Nissan Maxima Service and Repair Manual: Periodic maintenance
- Fuel pressure
- Evap leak check
Inspection FUEL PRESSURE RELEASE With CONSULT Turn ignition switch ON. Perform "FUEL PRESSURE RELEASE" in "WORK SUPPORT" mode with CONSULT. Start engine. After engine stalls, crank it two or three times to release all fuel pressure. Turn ignition switch OFF. Without CONSULT Remove fuel pump fuse located in IPDM E/R. Refer to FL-6, "Removal and Installation". Start engine. After engine stalls, crank it two or three times to release all fuel pressure. Turn ignition switch OFF. Reinstall fuel pump fuse after servicing fuel system. FUEL PRESSURE CHECK CAUTION: Before disconnecting fuel line, release fuel pressure from fuel line to eliminate danger.
Inspection CAUTION: Never use compressed air or a high pressure pump. Never exceed 4.12 kPa (0.042 kg/cm2, 0.6 psi) of pressure in EVAP system. NOTE: Do not start engine. Improper installation of EVAP service port adapter (commercial service tool) to the EVAP service port may cause a leakage. WITH CONSULT To locate the EVAP leakage, install EVAP service port adapter (commercial service tool) and pressure pump to EVAP service port. Turn ignition switch ON. Select the "EVAP SYSTEM CLOSE" of "WORK SUPPORT MODE" with CONSULT. Touch "START". A bar graph (Pressure indicating display) will appear on the screen.