TM 10-3930-659-20 4-7. DCA MODE AND TK MODE TESTING. a. Pretest Inspection.  Ensure that the following pretest inspections have been completed before beginning DCA or TK Mode testing: (1) Fan belts (2) Hydraulic fluid level (3) Coolant level (4) Fuel level (5) Batteries b. Powering Up the VTM. (1) Connect the VTM to cable W1.  Cable W1 connects to the batteries. (2) Perform Confidence Test, Test No.  66 (second entry 99). (3) Enter VIN into VTM using Test No.  60. 4-46

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