A4 Mk1
→ Display on VAS 5051:
If the specification is not obtained:
If the specification is obtained:
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→ Display on VAS 5051:
If the specification is not obtained:
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If a constant 539 mg/H (predetermined substitute value) is displayed in display zone 1. Checking voltage supply
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If the specifications are not obtained: Checking wiring connections
If no fault is found:
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