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GD(H4DOTC)-98 Diagnostic Trouble Code (DTC) Detecting Criteria GENERAL DESCRIPTION • Normality Judgement Time Needed for Diagnosis: 4000 ms + 992 ms + 992 ms + 992 ms Overflow diagnosis Perform secondary air system flow abnormality diagnosis using both sides of combination valves secondary PORL: Both banks all closed pressure Time Needed for Diagnosis: 4000 ms + 992 ms + 992 ms + 992 ms PORL: Both banks all closed pressure Time Needed for Diagnosis: 4000 ms + 992 ms + 992 ms + 992 ms Judgement Value Malfunction Criteria Threshold Value DTC Pressure variation value when the LH t Value of Map 5 P2443 Judgement Value Malfunction Criteria Threshold Value DTC Air flow amount when the right bank is > Value of Map 6 P0411 or
Air flow amount when the left bank is > Value of Map 7
Voltage at PORL measurement – Volt- d 4 V
Voltage at PORL measurement – Volt- d 4 V
Judgement Value Malfunction Criteria Threshold Value DTC Air flow amount when the right bank is d Value of Map 6 P0411 or
Air flow amount when the left bank is d Value of Map 7
Voltage at PORL measurement – Volt- d 4 V
Voltage at PORL measurement – Volt- d 4 V
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