S6 V8-4.2L (BBD) (2004)
-
Connect multimeter for voltage measurement as follows:
Harness connector
Measure to
Terminal
1
Engine Ground (GND)
-
Switch ignition on.
-
Specified value: approx. battery voltage
-
Switch ignition off.
If specified value is not obtained:
-
Check activation of power output stages.
If specified value is not obtained:
Vehicles without Motronic Engine Control Module (ECM) voltage supply relay -J271-:
NOTE: Motronic Engine Control Module (ECM) Power Supply Relay -J271- is not installed on all versions.
-
Check wire connection from Fuel Pump (FP) Relay -J17- in central electronics in driver's side footwell at left, position 4, terminal 23 to harness
connector at ignition coil terminal 1.
Vehicles with Motronic Engine Control Module (ECM) voltage supply relay -J271-:
-
Pull off rubber seal of plenum chamber cover in direction of arrow.
-
Remove cover -1- toward front.