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Home >> Volkswagen >> 2015 >> Jetta Base >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Engine System (Diagnostics & General Information - CBPA) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Engine Speed Sensor -G28-, 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 PRELIMINARY CHECK .
-- Was Complaint verified?		 -- YES:
  • GO TO Step 2
-- NO:
  • GATHER more information from customer about the complaint.
2 
  • IGNITION: OFF.
  • DISCONNECT: Engine Speed Sensor -G28- harness connector.
  • REMOVE: Engine Control Module - J623-. Refer to appropriate service information.
  • CHECK: Engine Speed Sensor -G28- harness connector terminal 1 to the Engine Control Module - J623- harness connector T60 / 40 for resistance.
  • CHECK: Engine Speed Sensor -G28- harness connector terminal 2 to the Engine Control Module - J623- harness connector T60 / 52 for resistance.
  • CHECK: Engine Speed Sensor -G28- harness connector terminal 3 to the Engine Control Module - J623- harness connector T60 / 51 for resistance.
  • SPECIFIED VALUE: 0.5 Ω (± 0.3 Ω).
-- Were Values obtained?		 -- YES:
  • REMOVE: Engine Speed Sensor -G28-. Refer to appropriate service information.
  • CHECK: Engine Speed Sensor -G28- wheel for proper seating, damage and/or run - out. Refer to appropriate service information.
  • Sensor wheel OK.
  • REPLACE: Engine Speed Sensor -G28-. Refer to appropriate service information.
  • GO TO: Step 3
-- NO:
  • 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 3
3 
  • Final Procedure 
  • Perform a road test to verify repair.
  • Do any DTC's return:
 -- YES:
  • FAULT DOES RETURN:
  • REPLACE: Engine Control Module - J623-. Refer to appropriate service information.
  • FAULT DOES NOT RETURN:
  • Check the DTC memory. Refer to DIAGNOSTIC MODE 03 - READ DTC MEMORY .
  • Perform the diagnostic procedure for that DTC.
-- NO:
  • Repair is complete. Generate readiness code. Refer to READINESS CODE .
  • Return vehicle to Customer.
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