Touareg V8-4.2L (BHX) (2004)
Fuel Pressure: Testing and Inspection
Fuel Pump, Checking
Diagnostic Procedures
Fuel Pump, Checking
Test requirements
‹› Fuses - 13 - and - 14 - (arrows) in E-box (plenum chamber, left) must be OK:
‹› Fuel Pump (FP) relays I and II must be OK:
1. Fuel Pump (FP) Relay (J17), (Fuel Pump, right)
2. Fuel Pump (FP) 2 Relay (J49), (Fuel Pump, left)
‹› Battery voltage must be at least 11.5 volts.
‹› All electrical consumers such as, for example, lights and rear window defroster must be switched off.
‹› For vehicles with automatic transmission, selector lever must be in P.
‹› Parking brake must be engaged or else daylight driving lights will be switched on.
‹› Ignition switched off.
Observe Safety Precautions.