A4 Mk1
Checking activation of Hall sender For following checks, use leads from adapter set V.A.G 1594.
Note: Receptacles are numbered accordingly on the back of the connector.
The diode test lamp must flash briefly on each second engine revolution. Note: Diode test lamps with a low current draw continue to glow faintly between impulses from the engine control unit (rather than going out completely) and become much brighter when receiving an impulse. If diode test lamp does not flash, check voltage supply. Checking the power supply for the Hall sender.
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Checking signal wiring for Hall sender:
Checking earth line for Hall sender: |
If specifications are all achieved and the diode test lamp does not flash (measured between contacts 1 and 2 with starter connector attached).
If specifications are not attained, check wiring connections. Checking the wiring between the Hall sender and engine control unit. |
Hall sender - G163 (Bank 2)
Hall sender - G40 (Bank 1)
Checking phase location of Hall sender
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→ Indicated on display: |
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→ Indicated on display: |
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→ Indicated on display: |
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