audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

With Manufacturer's Scan Tool|Page 4807 > < With Manufacturer's Scan Tool
Page 2
background image

-

Disconnect 4-pin connector -1- from ignition coil -2-.

-

Connect multimeter as follows to measure voltage.

Connector terminal

Measure to

1

Engine ground (GND)

-

Switch ignition on.
-

Specified value: approx. battery voltage (B+)

If specified value is not obtained:

-

Switch ignition off.

-

Disconnect power supply relay -1- under cover on left bulkhead.

NOTE:  To remove protective cover on vehicles with relay carrier on bulkhead, disconnect and lower. If necessary, disconnect connector from mass air
flow sensor.

With Manufacturer's Scan Tool|Page 4807 > < With Manufacturer's Scan Tool