LEMON Manuals
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2001
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XJR
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Engine Controls - Self-Diagnostics
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Diagnostic Trouble Code Identification
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DTC P1606: Ems Control Relay Malfunction
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Possible Causes
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Possible Causes
ECM control relay failure.
ECM control relay to ECM circuit fault.
ECM control relay coil power supply circuit open.
ECM ground circuit fault (relay coil drive).