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Home >> Volkswagen >> 2015 >> Tiguan R-Line, 4D Utility, FWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 2.0L - Generic Scan Tool - Engine Code: CCTA (2 Of 2) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Throttle Valve Control Module - J338-, 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
  • 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:
  • Go to Step 3
  • NO:
  • Go to Step 4
3
  • Condition may be intermittent
  • PERFORM: Visual Inspection of wiring and component
  • CHECK: wiring for open, high resistance, short or electrical connector for damage, corrosion, loose or broken terminals
  • REPAIR: faulty wiring or connector
  • GO TO: Step 7
4
  • REMOVE: Throttle Valve Control Module -J338 - far enough so that the electrical connector terminals are accessible.
  • DISCONNECT: Throttle Valve Control Module -J338- electrical connector
  • IGNITION: ON
  • CHECK: Throttle Valve Control Module -J338- wiring connector pins 2 to 6 for voltage
  • CHECK: Throttle Valve Control Module -J338- wiring connector pin 2 to Ground for voltage
  • SPECIFIED VALUE: About 5.0 V
  • IGNITION: OFF
-- Was value obtained?
  • YES:
  • Go to Step 5
  • NO:
  • Go to Step 6
5
  • REMOVE: Engine Control Module - J623-. Refer to appropriate service information.
  • CHECK: Throttle Valve Control Module -J338- electrical connector terminal 1 to the Engine Control Module - J623- harness connector T60 / 41 for resistance.
  • CHECK: Throttle Valve Control Module -J338- electrical connector terminal 4 to the Engine Control Module - J623- harness connector T60 / 24 for resistance.
  • SPECIFIED VALUE: 0.5 Ω (± 0.3 Ω)
-- Was value obtained?
  • YES:
  • REPLACE: Throttle Valve Control Module -J338-. Refer to appropriate repair information.
  • GO TO: Step 7
  • NO:
  • CHECK: wiring for open, high resistance, short or electrical connector for damage, corrosion, loose or broken terminals
  • REPAIR: faulty wiring or connector
  • GO TO: Step 7
6
  • REMOVE: Engine Control Module - J623-. Refer to appropriate service information.
  • CHECK: Throttle Valve Control Module -J338- electrical connector terminal 2 to the Engine Control Module - J623- harness connector T60 / 12 for resistance.
  • CHECK: Throttle Valve Control Module -J338- electrical connector terminal 3 to the Engine Control Module - J623- harness connector T60 / 17 for resistance.
  • CHECK: Throttle Valve Control Module -J338- electrical connector terminal 5 to the Engine Control Module - J623- harness connector T60 / 16 for resistance.
  • CHECK: Throttle Valve Control Module -J338- electrical connector terminal 6 to the Engine Control Module - J623- harness connector T60 / 44 for resistance.
  • SPECIFIED VALUE: 0.5 Ω (± 0.3 Ω)
-- Was value obtained?
  • YES: REPLACE Engine Control Module -J623- Refer to appropriate repair information
  • GO TO: Step 7
  • NO:
  • CHECK: wiring for open, high resistance, short or electrical connector for damage, corrosion, loose or broken terminals
  • REPAIR: faulty wiring or connector
  • GO TO: Step 7
7
  • Final Procedure
  • Perform a road test to verify repair.
  • Do any DTC's return:
  • NO:
  • Repair is complete, Generate readiness code. Refer to READINESS CODE .
  • Return vehicle to Customer
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