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Home >> Volkswagen >> 2017 >> Golf S, Eng CD CXBA, Standard Trans >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Engine & Transmission Systems (Diagnostics - CNSA, CNSB, CXBA, CXBB - 3 Of 4) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Vehicle Speed Signal, Checking >> Test Procedure

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:
  • GO TO: Step 2.
-- NO:
  • GATHER more information from customer about the complaint.
  • CONNECT: Scan Tool.
  • ROAD TEST: Vehicle.
  • CHECK: Scan Tool to Speedometer for accuracy.
  • SPECIFIED VALUE: Difference ≤ 10%.
-- 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.
-- NO:
  • GO TO: Step 3.
  • CHECK: ABS system.
  • CHECK: ABS DTC's.
-- Was the ABS system OK?
-- YES:
  • CHECK: CAN Bus wiring from Instrument Cluster Control Module -J285- to ABS Control Module -J104-.
  • GO TO: Step 4.
-- NO:
  • REPAIR: Any ABS concerns 1st.
  • GO TO: Step 4.
  • Final Procedure 
  • Perform a road test to verify repair.
  • Do any DTC's return:
-- YES: -- NO:
  • Repair is complete. Generate readiness code. Refer to READINESS CODES .
  • Return vehicle to Customer.

DAB 6-12-17