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DTC Troubleshooting

DTC TROUBLESHOOTING CHART

Step Action YES NO
1  Was "Electronic Stability Program Check" performed?  Go to Step 2. Go to ELECTRONIC STABILITY PROGRAM CHECK .
2  DTC check for ESP® 
  1. Connect scan tool to DLC with ignition switch turned OFF.
  2. Turn ignition switch ON and check DTC for ESP®.

Is DTC C1057 detected? 		 Go to applicable DTC diagnosis flow for troubleshooting. Go to Step 3.
3  Check each control module connectors 
  1. Check connection of connectors of all control modules communicating by means of CAN (for yaw rate/G sensor assembly).
  2. Check DTC for ESP®.

Is DTC C1073 detected? 		 Go to Step 4. Check for intermittent trouble referring to INTERMITTENT AND POOR CONNECTION INSPECTION .
4  CAN communication circuit check 
  1. Turn ignition switch to OFF position.
  2. Disconnect connectors of ESP® control module and yaw rate/G sensor assembly.

Is each CAN communication circuit between ESP® control module and yaw rate/G sensor assembly opened, shorted or high resistance? 		 Repair or replace the CAN communication line. Go to Step 5.
5  Check yaw rate/G sensor assembly 
  1. Substitute a known-good yaw rate/G sensor assembly.
  2. Connect connectors to ESP® control module and yaw rate/G sensor assembly.
  3. Clear all DTC(s) and check DTC for ESP®.

Is DTC C1073 still detected? 		 Substitute a known-good ESP® hydraulic unit/control module assembly and check DTC. Yaw rate/G sensor assembly was malfunction.
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