A6 Sedan V6-2.8L (ATQ) (2000)
NOTE: Fuel Pump (FP) relay is located at position 4 of central electrics in driver's footwell, left.
Test requirement:
-
Battery voltage at least 12.7 V
Function test of Fuel Pump (FP) relay
-
Remove driver-side storage compartment.
-
Connect VAS5O51 tester or VAG1551 scan tool and select the control module for engine electronics using "address word" 01. Refer to "Scan
Tool Testing/Scan Tool Connecting And Initial Checks", See: Computers and Control Systems/Testing and Inspection
Ignition must remain switched on for this.
-
Initiate output Diagnostic Test Mode and activate Evaporative Emission (EVAP) canister purge regulator valve -N80-. Refer to "Scan Tool
Testing/Output Diagnostic Test Mode (DTM) (Function 03)", See: Computers and Control Systems/Testing and Inspection
-
Fuel Pump (FP) relay (at position 4 of central electrics in driver's footwell, left) must trigger and Fuel Pump (FP) must run.
A -
If relay does not trigger:
-
Check voltage supply of Fuel Pump (FP) relay.
-
Checking activation of Fuel Pump (FP) relay.
B -
If relay triggers, but Fuel Pump (FP) does not run:
-
Check voltage supply for Fuel Pump (FP) and components (via Fuel Pump -FP- relay).
Check voltage supply of Fuel Pump (FP) relay
-
Remove Fuel Pump (FP) relay.