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DTC C0056 G Sensor Signal: Wiring Diagram

WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Longitudinal G Sensor Wiring Diagram
G07666305Courtesy of SUBARU OF AMERICA, INC.
DIAGNOSTIC PROCEDURE CHART

Step Check Yes No
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.		 Did the wheels turn freely? VDC is normal. Clear the memory. Go to step 2  .
2 CHECK OUTPUT OF 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/reverse G sensor output.
 Is the indicated reading on the monitor display -1.2 - 1.2 m/s2 ? Go to step 3.  Replace the yaw rate & G sensor. < Ref. to YAW RATE AND G SENSOR . >
3 CHECK OUTPUT OF LONGITUDINAL G SENSOR USING SUBARU SELECT MONITOR. 
  1. Turn the ignition switch to OFF.
  2. Remove the yaw rate & G sensor from vehicle. < Ref. to YAW RATE AND G SENSOR . >
  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/reverse G sensor output.
 When the yaw rate & G sensor is inclined 90° to the front, is the indicated value 6.8 - 12.8 m/s2 ? Go to step 4.  Replace the yaw rate & G sensor. < Ref. to YAW RATE AND G SENSOR . >
4 CHECK OUTPUT OF LONGITUDINAL G SENSOR USING SUBARU SELECT MONITOR. 
Read the display for the forward/reverse G sensor output.		 When the yaw rate & G sensor is inclined 90° to the rear, is the indicated value -6.8 - -12.8 m/s2 ? Go to step 5.  Replace the yaw rate & G sensor. < Ref. to YAW RATE AND G SENSOR . >
5 CHECK POOR CONTACT OF CONNECTORS. 
Turn the ignition switch to OFF.		 Is there poor contact of connector between VDCCM&H/U and yaw rate & G sensor? Repair the connector. Go to step 6  .
6 CHECK VDCCM&H/U. 
  1. Connect all connectors.
  2. Clear the memory. < Ref. to CLEAR MEMORY MODE . >
  3. Perform the Inspection Mode. < Ref. to INSPECTION MODE . >
  4. Read the DTC.
 Is the same DTC displayed? Replace the VDCCM only. < Ref. to REPLACEMENT , VDC Control Module and Hydraulic Control Unit (VDCCM&amp;H/U). > Go to step 7  .
7 CHECK OTHER DTC DETECTION.  Is any other DTC displayed? Perform the diagnosis according to DTC. < Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > Temporary poor contact occurs.
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