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Home >> Volkswagen >> 2016 >> Beetle Fleet Edition >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> 1.8L - Generic Scan Tool - Engine Code: CPRA (Hatchback) [Transmission DTC Tables & Diagnostic Procedures] >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Can-Bus Terminal Resistance, Checking >> Test Procedure
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Test Procedure

Step Procedure Result / Action to Take
1
  • PERFORM: Preliminary Check to verify the customers complaint. Refer to .
-- Was Complaint verified?		 -- YES:
  • GO TO: Step 2.
-- NO:
  • GATHER more information from customer about the complaint.
2
  • DISCONNECT: For Jetta / Beetle, the Vehicle Electrical System Control Module -J519- harness connector. For Passat, the Instrument Cluster Control Module -J285- harness connector.
  • The Engine Control Module -J623- must remain connected for the following step.
  • CHECK: For Jetta / Beetle, the Vehicle Electrical System Control Module -J519- harness connector terminals 18 to 19 for resistance.
  • CHECK: For Passat, the Instrument Cluster Control Module -J285- harness connector terminals 29 to 28 for resistance.
  • Specified value: 60 to 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.
-- NO:
  • GO TO: Step 3.
3
  • REMOVE: Engine Control Module - J623-. Refer to appropriate repair information.
  • CHECK: For Jetta / Beetle, the faulty Vehicle Electrical System Control Module -J519- harness connector terminal 18 to the Engine Control Module - J623- harness connector T91 / 80 for resistance.
  • CHECK: For Passat, the faulty Instrument Cluster Control Module -J285- harness connector terminal 29 to the Engine Control Module - J623- harness connector T91 / 80 for resistance.
  • CHECK: For Jetta / Beetle, the faulty Vehicle Electrical System Control Module -J519- harness connector terminal 19 to the Engine Control Module - J623- harness connector T91 / 79 for resistance.
  • CHECK: For Passat, the faulty Instrument Cluster Control Module -J285- harness connector terminal 28 to the Engine Control Module - J623- harness connector T91 / 79 for resistance.
  • SPECIFIED VALUE: 0.5 Ω (± 0.3 Ω).
-- Were Values obtained?		 -- YES:
  • REPLACE: Engine Control Module -J623-. Refer to appropriate repair information.
  • GO TO: Step 4.
-- NO:
  • CHECK: Wiring for open, high resistance, short or harness connector for damage, corrosion, loose or broken terminals.
  • If no malfunction is found in the wiring:
  • REPLACE: For Jetta / Beetle, the Vehicle Electrical System Control Module -J519-. For Passat, the Instrument Cluster Control Module -J285-. Refer to appropriate repair information.
  • GO TO: Step 4.
4
  • Final Procedure
  • Perform a road test to verify repair.
  • Do any DTC's return:
 -- YES:
  • Check the DTC memory. Refer to .
  • Perform the diagnostic procedure for that DTC.
-- NO:
  • Repair is complete. Generate readiness code. Refer to .
  • Return vehicle to Customer.
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