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Home >> Volkswagen >> 2015 >> Passat TDI SE, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> 3.6L - Generic Scan Tool - Engine Code: CDVB (Transmission DTC Tables & Diagnostic Procedures) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Recirculation Pump Relay -J160- / AND Coolant Recirculation Pump -V50-, 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
  • DISCONNECT: Recirculation Pump Relay -J160-.
  • IGNITION: ON.
  • CHECK: Recirculation Pump Relay -J160- harness connector terminal 2 / 85 to ground for voltage.
  • CHECK: Recirculation Pump Relay -J160- harness connector terminal 3 / 30 to ground for voltage.
  • SPECIFIED VALUE: Battery voltage.
  • IGNITION: OFF.
-- Were Values obtained?
  • YES:
  • GO TO: Step 3.
  • 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.
  • REPLACE: Any open fuses.
  • GO TO Step 7.
3
  • CONNECT: Jumper wire, Recirculation Pump Relay -J160- socket terminals 3 / 30 and 5 / 87.
  • IGNITION: ON.
  • SPECIFIED VALUE: The Coolant Recirculation Pump -V50- should be running.
  • IGNITION: OFF.
-- Was Value obtained?
  • YES:
  • GO TO Step 4.
  • NO:
  • GO TO Step 5.
4
  • REMOVE: Engine Control Module -J623-. Refer to appropriate repair information.
  • CHECK: Recirculation Pump Relay -J160- harness connector terminal 1 / 86 to the Engine Control Module -J623- harness connector T94 / 33 for resistance.
  • SPECIFIED VALUE: 0.5 Ω (± 0.3 Ω).
-- Was Value obtained?
  • YES:
  • REPLACE: Recirculation Pump Relay -J160-. Refer to appropriate repair information.
  • PERFORM: Road Test to verify repair.
  • FAULT DOES NOT RETURN:
  • GO TO: Step 7.
  • 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.
  • REPLACE: Any open fuses.
  • GO TO: Step 7.
5
  • CHECK: Coolant Recirculation Pump -V50- harness connector terminal 1 to Recirculation Pump Relay -J160- terminal 5 / 87 for resistance.
  • SPECIFIED VALUE: 0.5 Ω (± 0.3 Ω).
-- Was Value obtained?
  • YES:
  • GO TO: Step 6.
  • 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.
  • REPLACE: Any open fuses.
  • GO TO: Step 7.
6
  • CHECK: Coolant Recirculation Pump -V50- harness connector terminal 2 to ground for resistance.
  • SPECIFIED VALUE: 0.5 Ω (± 0.3 Ω).
-- Was Value obtained?
  • YES:
  • REPLACE: Coolant Recirculation Pump -V50-.
  • PERFORM: Road Test to verify repair.
  • FAULT DOES NOT RETURN:
  • GO TO: Step 7.
  • 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 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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