TT Quattro Coupe V6-3.2L (BHE) (2005)
If the specified value was not obtained:
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Check the wiring connection from the Evaporative Emission (EVAP) Canister Purge Solenoid Valve 2 N115 electrical harness connector terminal
1 to the Fuel Pump (FP) Relay J17 terminal 19/86 for an open circuit or a short circuit to Battery positive (+).
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the wiring connection.
If the specified value was obtained:
Checking wiring
If the manufacturers test box is being used. Perform the following step.
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Install the test box VAG1598/31.
If the manufacturers test box is not being used. Perform the following step.
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Remove the Motronic Engine Control Module (ECM) J220.
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Using a Multimeter, check the Evaporative Emission (EVAP) Canister Purge Solenoid Valve 2 N115 electrical connector terminal 2 to the
Motronic Engine Control Module (ECM) J220 electrical harness connector terminal 45 for resistance.
Evaporative Emission (EVAP)
Motronic Engine Control Module (ECM)
Canister Purge Solenoid
J220 electrical harness connector
Valve 2 N115 Electrical
terminal test box
harness connector terminal
socket
2
45
Specified value: 1.5 Ohms.
If the specification was not obtained:
-
Check the wiring for a short circuit to Battery positive (+), Ground (GND) or an open circuit.
-
Check the electrical harness connector for damage, corrosion, loose or broken terminals.
-
If necessary, repair the wiring connection.
If the specification was obtained:
-
Erase the DTC memory. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Mode 04 -
Erase DTC Memory
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Perform a road test to verify repair.
If the DTC does not return:
Repair complete, Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Initial Inspection and Diagnostic
Overview/Readiness Code
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End diagnosis.
If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK:
-
Replace the Motronic Engine Control Module (ECM) J220.
-
Assembly is performed in the reverse of the removal.
Final procedures
After repair work, the following work steps must be performed in the mentioned sequence:
1. Check the DTC memory. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Mode 03 -
Read DTC Memory