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Home >> Audi >> 2012 >> A5 2.0T Quattro, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Generic Scan Tool [CAEB] (Engine DTC Table) (Coupe) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Throttle Valve Control Module - GX3-, Checking >> Test Procedure

Test Procedure

Step Procedure Result / Action to Take
  • 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.
  • CONNECT: Scan Tool.
  • IGNITION: ON.
  • CHECK: Throttle valve position closed:
  • SPECIFIED VALUE: 3 - 25%.
  • DEPRESS: Accelerator pedal slowly to WOT while observing the percentage display. The percentage display must increase uniformly.
  • CHECK: Throttle valve position at WOT:
  • SPECIFIED VALUE: 84 - 97%.
  • IGNITION: OFF.
-- 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 6 Throttle Valve Control Module - GX3-, CHECKING - 6 .
-- NO:
  • REMOVE: Throttle Valve Control Module - GX3- far enough so that the harness connector terminals are accessible.
  • DISCONNECT: Throttle Valve Control Module - GX3- harness connector.
  • IGNITION: ON.
  • CHECK: Throttle Valve Control Module - GX3- harness connector terminals 2 to 6 for voltage.
  • CHECK: Throttle Valve Control Module - GX3- harness connector terminal 2 to ground for voltage.
  • SPECIFIED VALUE: About 5.0 V.
  • IGNITION: OFF.
-- Were Values obtained?
-- YES: -- NO:
  • REMOVE: Engine Control Module - J623-. Refer to appropriate service information.
  • CHECK: Throttle Valve Control Module - GX3- harness connector terminal 2 to the Engine Control Module - J623- harness connector T60 / 12 for resistance.
  • CHECK: Throttle Valve Control Module - GX3- harness connector terminal 6 to the Engine Control Module - J623- harness connector T60 / 44 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 6 Throttle Valve Control Module - GX3-, CHECKING - 6 .
  • REMOVE: Engine Control Module - J623-. Refer to appropriate service information.
  • CHECK: Throttle Valve Control Module - GX3- harness connector terminal 1 to the Engine Control Module - J623- harness connector T60 / 41 for resistance.
  • CHECK: Throttle Valve Control Module - GX3- harness connector terminal 3 to the Engine Control Module - J623- harness connector T60 / 1 for resistance.
  • CHECK: Throttle Valve Control Module - GX3- harness connector terminal 4 to the Engine Control Module - J623- harness connector T60 / 24 for resistance.
  • CHECK: Throttle Valve Control Module - GX3- harness connector terminal 5 to the Engine Control Module - J623- harness connector T60 / 16 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 6 Throttle Valve Control Module - GX3-, CHECKING - 6 .
Refer To The Final Procedure Below;