battery AUDI A4 1997 B5 / 1.G APB Engine Ignition System Checking

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Checking signal wire for Hall sensor
Checking Ground (GND) wire for Hall sensor: - Connect multimeter (Fluke 83 or equivalent) (voltage measurement
range) between engine Ground (GND) and socket 1 of connector.
Specified value: approx. 5 V
- Connect multimeter (Fluke 83 or equivalent) (voltage measurement
range) between engine Ground (GND) and socket 2 of relevant
connector.
Specified value: approx. battery voltage
- Connect VAG1598/31 test box to wiring harness for engine control
module. Do not connect to the engine control module itself Page 24
-
20
.

- Connect multimeter (Fluke 83 or equivalent) (resistance measurement
range) between socket 3 on connector and engine Ground (GND).
Specified value: Continuity
Resistance in wiring: max. 1.5 Ohms
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