S4 Sedan L5-2226cc 2.22L DOHC Turbo (AAN) (1992)
If circuit is NOT open:
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Switch DVOM to 10A (DC) measuring range.
Heated Oxygen Sensor Connector
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Connect additional test cable VW 1315 A/1 to harness connector position 2.
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Start engine and let idle.
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Must be 0.5 - 3.0 amps.
Note:
Current decreases as sensor temperature increases.
If specified value is NOT obtained:
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Replace HO2S sensor probe.