A8L Quattro Sedan V8-4.2L (AKB) (2002)
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Remove fuses 1, 2 and 3 (in blue fuse carrier, 4th row from the top).
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Start output Diagnostic Test Mode (DTM). Refer to "Scan Tool Testing/Output Diagnostic Test Mode (DTM) (Function 03)" See: Powertrain
Management/Computers and Control Systems/Testing and Inspection
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Connect hand-held multimeter (voltage measurement range) between Ground (GND) and either left or right contact of the following fuses (only
one fuse terminal voltage supply):
Fuse No.
Specification for left or right contact
1
approx. battery voltage
2
approx. battery voltage
3
approx. battery voltage
If the specifications are not obtained:
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Check wiring.
If no malfunction is detected in wire:
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Replace Fuel Pump (FP) Relay -J17.
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Display readiness code. The readiness code must be regenerated if the DTC memory was erased.
Refer to "Monitors, Trips and/or Drive Cycle (Readiness Codes)/Readiness Code" See: Powertrain Management/Computers and Control
Systems/Testing and Inspection
Refer to "Monitors, Trips and/or Drive Cycle (Readiness Codes)/Generating Readiness Code" See: Powertrain Management/Computers and Control
Systems/Testing and Inspection