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Home >> Subaru >> 2013 >> Legacy Premium, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (Vehicle Dynamics Control (VDC) System (Diagnostics)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC C0072 Abnormal Yaw Rate Sensor Output >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURE

Step Check Yes No
1 INTERVIEW CUSTOMERS. 
Check if the vehicle ran the road with banks or sandy surface (which does not mean a dirt road).		 Did the vehicle run the road with banks or sandy surface (which does not mean a dirt road)? VDCCM&H/U may record DTC when the vehicle ran the road with banks or sandy surface (which does not mean a dirt road). Go to step 2  .
2 CHECK YAW RATE & G SENSOR INSTALLATION.  Is the yaw rate & G sensor installation bolt tightened to 7.5 N.m (0.76 kgf-m, 5.5 ft-lb)? Go to step 3  . Tighten the yaw rate & G sensor attachment bolt.
3 CHECK OUTPUT OF YAW RATE & G SENSOR WITH SUBARU SELECT MONITOR. 
  1. Drive the vehicle on a flat road.
  2. Park the vehicle straight.
  3. Select "Current Data Display & Save" on the Subaru Select Monitor.
  4. Read the yaw rate output displayed on display.
 Is the reading indicated on monitor display -4 - 4 deg/s? Go to step 4  . Replace the yaw rate & G sensor. < Refer to YAW RATE AND G SENSOR . >
4 CHECK OUTPUT OF STEERING ANGLE SENSOR WITH SUBARU SELECT MONITOR. 
  1. Drive the vehicle on a flat road.
  2. Park the vehicle straight.
  3. Select "Current Data Display & Save" on the Subaru Select Monitor.
  4. Read the steering angle sensor output displayed on display.
 Is the reading indicated on monitor display -5 - 5°? Go to step 5  . Perform the centering adjustment of steering wheel.
5 CHECK YAW RATE & G SENSOR. 
  1. Turn the ignition switch to OFF.
  2. Connect all connectors.
  3. Clear the memory. < Refer to CLEAR MEMORY MODE . >
  4. Perform the Inspection Mode. < Refer to INSPECTION MODE . >
  5. Read the DTC.
 Is the same DTC displayed? Go to step 6  . Go to step 7  .
6 CHECK VDCCM&H/U. 
  1. Turn the ignition switch to OFF.
  2. Replace the yaw rate & G sensor. < Refer to YAW RATE AND G SENSOR . >
  3. Clear the memory. < Refer to CLEAR MEMORY MODE . >
  4. Perform the Inspection Mode. < Refer to INSPECTION MODE . >
  5. Read the DTC.
 Is the same DTC displayed? Replace the VDCCM only. < Refer to REPLACEMENT , VDC Control Module and Hydraulic Control Unit (VDCCM&H/U). > Go to step 8  .
7 CHECK OTHER DTC DETECTION.  Is any other DTC displayed? Perform the diagnosis according to DTC. < Refer to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > Temporary poor contact occurs.
8 CHECK OTHER DTC DETECTION.  Is any other DTC displayed? Perform the diagnosis according to DTC. < Refer to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > Malfunction is found in original yaw rate & G sensor.
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