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

28-20

- Connect VAG 1598/19 test box to ECM harness
connector page 01
-255
.

If the specified values are not obtained: - Check CKP sensor shielding for continuity by connecting multimeter
between terminal 3 and engine Ground (GND).

Specified value: max. 1 - Check wiring for continuity between CKP sensor connector terminal 1
and test box socket A9, then between CKP sensor connector terminal
2 and test box socket A10.

Specified value: max. 1

If wiring is OK: - Eliminate short or open circuit in wiring.
CKP sensor terminal
number ECM connector A or engine ground
(GND)
1 A9
2 A10
3 Engine Ground (GND)
- Replace ECM page 01
-265
.
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