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Test Procedure

Step Procedure Result / Action to Take
1
  • PERFORM: Preliminary Check to verify the customers complaint. Refer to PRELIMINARY CHECK .
-- Was Complaint verified?
-- YES: -- NO:
  • GATHER more information from customer about the complaint.
  • The Engine Control Module -J623- must remain connected for the following step. The central terminal resistor is located in the Engine Control Module -J623-.
  • CHECK: DSG Transmission Mechatronic -J743- harness connector T20e / 10 to 15 for resistance.
  • SPECIFIED VALUE: 60 - 72 Ω (at approx. 20° C).
-- Was Value obtained?
-- YES:
  • CONDITION: May be intermittent.
  • PERFORM: Visual Inspection of wiring and component.
  • CHECK: Wiring for open, high resistance, short or harness connector for damage, corrosion, loose or broken terminals.
  • REPAIR: Faulty wiring or connector.
  • GO TO: Step 4 CAN-BUS TERMINAL RESISTANCE, POWERTRAIN, CHECKING (4) .
-- NO:
  • REMOVE: Engine Control Module - J623-. Refer to appropriate repair information.
  • CHECK: CAN bus circuit between the DSG Transmission Mechatronic -J743- harness connector T20e / 15 and the Engine Control Module -J623- harness connector T94 / 67 for resistance.
  • CHECK: CAN bus circuit between the DSG Transmission Mechatronic -J743- harness connector T20e / 10 and the Engine Control Module -J623- harness connector T94 / 68 for resistance.
  • SPECIFIED VALUE: 0.5 Ω (± 0.3 Ω).
-- Were Values obtained?
-- YES: -- NO:
  • PERFORM: Visual Inspection of wiring and component.
  • CHECK: Wiring for open, high resistance, short or harness connector for damage, corrosion, loose or broken terminals.
  • REPAIR: Faulty wiring or connector.
  • GO TO: Step 4 CAN-BUS TERMINAL RESISTANCE, POWERTRAIN, CHECKING (4) .
  • Final Procedure 
  • Perform a road test to verify repair.
-- Does the original DTC return?
-- YES:
  • CHECK: DSG Transmission Mechatronic -J743- harness connector for any damaged, pushed-out pins.
  • REPAIR: As necessary.
  • Clear the DTC's. Refer to DIAGNOSTIC MODE 04 - ERASE DTC MEMORY .
  • Repair is complete. Generate Readiness Code. Refer to READINESS CODE .
  • Return vehicle to Customer.
  • If all electrical connections are OK:
  • REPLACE: DSG Transmission Mechatronic -J743-. Refer to appropriate repair information.
  • Repair is complete. Generate Readiness Code. Refer to READINESS CODE .
  • Return vehicle to Customer.
-- NO:
  • Perform the diagnostic procedure for any DTC's.
  • If no DTC's return the repair is complete.
  • Return vehicle to customer.