ETAS
ES430.1 - User’s Guide
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5. Connect the ES430.1 to the power supply.
NOTICE
Incorrect use can result in the lambda sensor being damaged or aging pre
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maturely.
The LSU lambda sensor must always be connected to the ES430.1 (heater
control active) when exposed to engine exhaust gases.
Use operating modes “On” or “External Signal” of the heater control (see sec
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tion 5.7.1 on page 38).