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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 386 (Auto Cruise Control System) >> Automatic Speed Control Device (ASCD) >> Trouble Diagnoses >> ASCD Actuator/Pump Check >> 1. Check Vacuum Hose

1. Check Vacuum Hose

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.

Check vacuum hose (between ASCD actuator and ASCD pump) for breakage, cracks or fracture.

Fig 1: Inspecting Vacuum Hose
G00738581Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

  1. OK: GO TO 2.
  2. NG: Repair or replace vacuum hose.
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