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Home >> Suzuki >> 2012 >> 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. Refer to 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 DLC (1) with ignition switch OFF.

    Special Tool 

    : SUZUKI scan tool (SUZUKI-SDT) 

    Fig 1: Connecting Suzuki Scan Tool To DLC
    G08895827Courtesy 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 operator's 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

    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 Longitudinal G Front And Rear Up Conditions
    G08895828Courtesy of SUZUKI OF AMERICA CORP.