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03 04 How to Check for DTCs HDS Method Service Check Signal Circuit (SCS) Method 15-6 Rear Differential General Troubleshooting Information (cont’d) A A When the VTM-4 control unit senses an abnormality in The other method is to connect the service check signal 1. With the ignition switch OFF, connect the HDS to the data link connector (DLC) (A) (located behind 2. Make sure the HDS communicates with the VTM-4 control unit. If it doesn’t go to the DLC circuit 3. Turn the ignition switch ON (II), and follow the prompts on the HDS to display the DTC(s) on the NOTE: See the HDS user’s manual for specific 4. If there are fuel and emissions DTCs, A/T DTCs, or VSA DTCs at the same time, troubleshoot the fuel 5. After recording the DTCs, clear all DTCs. 6. Test-drive the vehicle for several minutes in 4WD mode, and check for DTCs. If the DTC returns, refer 1. Park the vehicle on level ground. Shift to P, then turn off the engine. 2. Release the parking brake pedal. 3. With the ignition switch OFF, connect the HDS to the data link connector (DLC) (A) (located behind 4. Short the SCS circuit to body ground with the HDS. |