![]() The difference between the IAT and the ECT is less than or equal to 6☌ (10.8☏).The start-up intake air temperature (IAT) is between 4-30☌ (39-86☏).The start-up engine coolant temperature (ECT) is between 4-30☌ (39-86☏).The barometric pressure (BARO) is more than 75 kPa.The ignition voltage between 11-18 volts.To determine if the I/M readiness diagnostic tests can be run this ignition cycle, use a scan tool to observe the I/M monitor enabled parameters in the I/M Data List. Perform the Inspection/Maintenance (I/M) Complete System Set Procedure if any I/M System Status indicators are set to NO. When all I/M monitored diagnostic tests are completed, the I/M System Status indicators are set to YES. ![]() The purpose of the Inspection/Maintenance (I/M) complete system set procedure is to satisfy the enable criteria necessary to execute all of the I/M readiness diagnostics and complete the drive cycles for those particular diagnostics.
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