A4 Mk1
Servicing Motronic injection system
Fuel pump relay -J17 and actuation
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→ The fuel pump relay is located in the central electric's, on the left in the driver's footwell, position 4. Test requirements:
Functional check of fuel pump relay
=> General Body Assembly - Interior; Repair group 68; Dash panel; Removing driver's shelf
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A - If relay does not respond:
B - If relay is energised but fuel pump does not run:
Checking voltage supply of fuel pump relay |
If specified value is not attained:
Checking actuation of fuel pump relay
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If the relay pulls now, but not during final control diagnosis:
If the relay does not pick up:
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If specified value is not attained:
=> Current Flow Diagrams, Electrical Fault-Finding and Fitting Locations If specified value is attained: |
If no fault is found:
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