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Home >> Infiniti >> 2002 >> Q45 >> Repair and Diagnosis >> External Pages >> Different car >> Section 218 (Driver Information System) >> Vehicle Information And Integrated Switch System/Without Navigation System >> Vehicle Speed Signal Inspection >> 2. Vehicle Speed Signal Check 1

2. Vehicle Speed Signal Check 1

WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect AV control unit connector.
  2. Turn ignition switch ON.
  3. Check voltage between AV control unit harness connector M77 terminal 33 (OR/L) and ground.

    Approx. 3.5V or more

Fig 1: Vehicle Speed Signal Check 1
G00394154Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

  1. OK: GO TO 3  .
  2. NG: Replace AV control unit.
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