1.WHETHER A WHEEL TURNED FREELY OR NOT.
Check if the wheels have been turned freely for one minute or more, such as when the vehicle is jacked-up, under full-lock cornering or when the wheels are not in contact with road surface.
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Did the wheels turn freely?
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VDC is normal. Clear the memory.
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2.CHECK OUTPUT OF FORWARD/LONGITUDINAL G SENSOR USING SUBARU SELECT MONITOR.
1) Park the vehicle on a level surface.
2) Select {Current Data Display & Save} in Subaru Select Monitor.
3) Read the display for the forward/longitudinal G sensor output.
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Is the indicated reading on the monitor display −1.2 — 1.2 m/s2?
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Replace the yaw rate & lateral G sensor.
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3.CHECK OUTPUT OF FORWARD/LONGITUDINAL G SENSOR USING SUBARU SELECT MONITOR.
1) Turn the ignition switch to OFF.
2) Remove the yaw rate & lateral G sensors from vehicle.
3) Turn the ignition switch to ON, and select the {Current Data Display & Save} in Subaru Select Monitor.
4) Read the display for the forward/longitudinal G sensor output.
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When the yaw rate & lateral G sensor is inclined 90° forward, is the indicated value 6.8 — 12.8 m/s2?
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Replace the yaw rate & lateral G sensor.
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4.CHECK OUTPUT OF FORWARD/LONGITUDINAL G SENSOR USING SUBARU SELECT MONITOR.
Read the display for the forward/longitudinal G sensor output.
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When the yaw rate & lateral G sensor is inclined 90° to the rear, is the indicated value −6.8 — −12.8 m/s2?
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Replace the yaw rate & lateral G sensor.
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5.CHECK POOR CONTACT OF CONNECTORS.
Turn the ignition switch to OFF.
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Is there poor contact of connector between VDCCM&H/U and yaw rate & lateral G sensor?
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6.CHECK VDCCM&H/U.
1) Connect all connectors.
2) Clear the memory. 
3) Perform the Inspection Mode.
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Is the same DTC displayed?
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Replace the VDCCM only.
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7.CHECK OTHER DTC DETECTION.
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Is any other DTC displayed?
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Perform the diagnosis according to DTC.
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Temporary poor contact occurs.
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