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Case 2 Monitor runs whenever following DTCs not present None Either a or b met: - a. Air pump Not operating b. Air switching valve Not operating Battery voltage 8 V or more Ignition switch ON Starter OFF Case 3 Monitor runs whenever following DTCs not present None Following conditions (a) and (b) met - a. Air pump Operating b. Air switching valve Operating Battery voltage 8 V or more Ignition switch ON Starter OFF TYPICAL MALFUNCTION THRESHOLDS Case 1 A. Diagnostic signal duty ratio from air injection control driver 1% or more, and 10% or less B. Diagnostic signal duty ratio from air injection control driver 30% C. Diagnostic signal duty ratio from air injection control driver 49% D. Diagnostic signal duty ratio from air injection control driver 91% or more, and 99% or less Case 2 Diagnostic signal duty ratio from air injection control driver 70% or more, and 90% or less Case 3 Diagnostic signal duty ratio from air injection control driver 0% Case 4 Diagnostic signal duty ratio from air injection control driver 100% COMPONENT OPERATING RANGE 1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1613,P1614; ... |