Optima L4-2.4L (2001)
TROUBLESHOOTING PROCEDURES
TROUBLESHOOTING HINTS
The MIL is ON or the DTC is displayed on the HI-SCAN under the following conditions;
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When the primary voltage side in ECM is in short or open circuit.
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The ignition closed loop control in ECM is out of order.
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Open or short circuit is observed in idle air control system when ignition switch is turned on.
USING HI-SCAN
