rear AUDI A4 1999 B5 / 1.G APB Engine Ignition System Checking

28-45

Camshaft Position (CMP) sensor 1 -G40
and Camshaft Position (CMP) sensor 2 -
G163, checking


Notes:

Component locations of Hall sensors Page 24
-5 .

The Camshaft Position (CMP) Sensor 1 -G40 is
located at the rear of the right-hand cylinder
head (Bank 1).
The Camshaft Position (CMP) Sensor 2 -G163
is located at the front of the left-hand cylinder
head (Bank 2).

Checking activation of Hall sensor (camshaft
position sensor)
Use test leads VAG1594 connector test kit when
carrying out the following tests.

- Push back rubber grommet on relevant Hall
sensor connector.

- Connect VAG1527 diode test lamp to terminals 1 and 2 of hall sensor
connector from behind (without disconnecting connector from hall
sensor).
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