engine oil AUDI A4 1996 B5 / 1.G AFC Engine Camshaft Position Sensor Checking Workshop Manual

28-35

Function, checking

Note:
For functional check of camshaft position sensor,
disconnect the 4-pin connector from the ignition
coil power output stage and check DTC memory.

Camshaft position sensor voltage supply OK
page 28
-33


- Push back rubber boot on camshaft position
sensor connector (sensor remains connected).

- Connect VAG 1527B voltage tester between
terminal 1 (B+) and 2 (signal).

- Operate starter for several seconds.

Voltage tester must flash briefly every
second engine rotation
If voltage tester does not flash:

- Switch ignition off and disconnect 3-pin harness
connector from camshaft position sensor.

- Connect VAG 1598/19 test box to ECM harness
connector page 01
-255
.
Pa
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11/23/2002 htt
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