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Home >> Audi >> 2017 >> RS 3 >> Repair and Diagnosis >> External Pages >> Different car >> Section 36 (GENERIC SCAN TOOL [CNTA, CNTC, CNSB] (5 Of 5) -- (A3 SEDAN)) >> Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Outside Air Temperature Sensor - G17-, Checking >> Test Procedure

Test Procedure

WARNING: This page is about a different car, the 2018 Audi A3 Quattro, 2017 Audi A3 Quattro, 2016 Audi A3 Quattro, 2016 Audi A3, and 2015 Audi A3 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
Step Procedure Result / Action to Take
1
  • PERFORM: Preliminary Check to verify the customers concern. 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: Outside Air Temperature Sensor -G17- harness connector.
  • CHECK: Outside Air Temperature Sensor -G17- component connector terminals 1 to 2 for resistance.
  • SPECIFIED VALUE: 1, 300 Ω (+/- 500 Ω @ approx. 20° C). 
-- Was Value obtained?		 -- YES:
  • GO TO: Step 3.
-- NO:
  • REPLACE: Outside Air Temperature Sensor -G17-. Refer to appropriate Service Information.
  • GO TO: Step 4.
3 
  • REMOVE: Vehicle Electrical System Control Module -J519-. Refer to appropriate Service Information.
  • For TT vehicles: CHECK: Outside Air Temperature Sensor -G17- harness connector terminal 1 to the Vehicle Electrical System Control Module -J519- harness connector T46a / 19 for resistance.
  • For TT vehicles: CHECK: Outside Air Temperature Sensor -G17- harness connector terminal 2 to the Vehicle Electrical System Control Module -J519- harness connector T46a / 27 for resistance.
  • For A3 vehicles: CHECK: Outside Air Temperature Sensor -G17- harness connector terminal 1 to the Vehicle Electrical System Control Module -J519- harness connector T46b / 19 for resistance.
  • For A3 vehicles: CHECK: Outside Air Temperature Sensor -G17- harness connector terminal 2 to the Vehicle Electrical System Control Module -J519- harness connector T46b / 27 for resistance.
  • SPECIFIED VALUE: 0.5 Ω (± 0.3 Ω). 
-- Were Values obtained?		 -- YES:
  • TIP: The Outside Air Temperature Sensor -G17- may fail under loaded operation; please swap a known good Outside Air Temperature Sensor -G17- prior to continuing to the next step.
  • GO TO: Step 4.
-- 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 4.
4 
  • Final Procedure 
  • Perform a road test to verify repair.
-- Does the original DTC return?		 -- YES:
  • CHECK: Vehicle Electrical System Control Module -J519- harness connector for any damaged, pushed-out pins.
  • REPAIR: As necessary.
  • If all electrical connections are OK:
  • REPLACE: Vehicle Electrical System Control Module -J519-. Refer to appropriate Service Information.
  • Clear the DTC's. Refer to DIAGNOSTIC MODE 04 - ERASE DTC MEMORY .
  • Repair is complete. Generate Readiness Code. Refer to READINESS CODE .
  • Return vehicle to Customer.
-- NO:
  • Perform the diagnostic procedure for any DTC's.
  • If no DTC's return, the repair is complete.
  • Return vehicle to customer.
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