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Home >> Suzuki >> 2011 >> Grand Vitara Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Program >> Repair Instructions >> Yaw Rate/G Sensor Assembly On-Vehicle Inspection >> Longitudinal G Inspection
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Longitudinal G Inspection

  1. Calibrate yaw rate/G sensor assembly. See SENSOR CALIBRATION OF ESP® COMPONENTS .
  2. Park and level the vehicle with parking brake and fix wheels with chokes.
  3. Check yaw rate/G sensor assembly installation condition.
  4. Connect SUZUKI scan tool to data link connector (DLC) (1) with ignition switch OFF.

    Special Tool 

    : SUZUKI scan tool (SUZUKI-SDT) 

    Fig 1: Connecting SUZUKI Scan Tool To Data Link Connector
    G06498518Courtesy of SUZUKI OF AMERICA CORP.
  5. Turn ignition switch to ON position and select menu "DATA LIST" mode of SUZUKI scan tool. Refer to scan tool operators manual for further details.
  6. Check "G Sensor" under "DATA LIST" of SUZUKI scan tool in the following vehicle conditions.
    • Level condition
    • Front-up condition
    • Rear-up condition

    If Longitudinal G condition is out of specification, replace yaw rate/G sensor assembly.

    Longitudinal G specification 

    LONGITUDINAL G SPECIFICATION CHART

    Vehicle condition Longitudinal G
    Level condition 0 ± 0.1 G
    Front-up condition 0.1 ± 0.1 G
    Rear-up condition -0.1 ± 0.1 G
Fig 2: Identifying Jacking Points
G06498519Courtesy of SUZUKI OF AMERICA CORP.