3. Check ASCD Pump Power Supply

WARNING: This page is about a different car, the 2004 Infiniti M45 and 2003 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

With CONSULT-II

Jack up the drive wheels.
Start the engine.
See "PW SUP-VALVE" in "DATA MONITOR" mode.
Maintain the conditions below.

Vehicle speed is more than 40 km/h (25 MPH).
Main switch (CRUISE lamp) is ON.
Set/coast switch (SET lamp) is ON.
"PW SUP-VALVE" should be ON .

Fig 1: ASCD Pump Power Supply in Data Monitor Display

Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II

Jack-up the drive wheels.
Start the engine.
Maintain the conditions below.

Vehicle speed is more than 40 km/h (25 MPH).
Main switch (CRUISE lamp) is ON.
Set/coast switch (SET lamp) is ON.
Check voltage between ASCD control unit harness connector M35 terminal 12 (R/PU) and ground.

Battery voltage should exist .

OK or NG

OK: ASCD pump power supply is OK.
NG: Replace ASCD control unit.

Fig 2: Checking ASCD Pump Power Supply Terminal

Courtesy of NISSAN MOTOR CO., U.S.A.