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Home >> Suzuki >> 2006 >> Verona Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction >> General Description >> OBD System Description - EGR System Monitor >> Exhaust Gas Recirculation Flow >> Malfunction Criteria And Threshold Value(S)

Malfunction Criteria And Threshold Value(S)

Limits:

Calibrated intake manifold pressure difference between pressure with EGR valve opened (second position) and pressure with EGR valve closed / first difference between MAP referenced values to detect leak EGR valve) < 0.71997

Or

Calibrated intake manifold pressure difference between pressure with EGR valve opened (second position) and pressure with EGR valve closed / Referenced intake manifold pressure for measurements when EGR valve is open > 3.00

And

Intake manifold pressure for measurements when EGR valve is closed < 300 hPa

Remark:

Maximum duration time of 6 sec. is needed to complete the EGR diagnosis.

Permanent:

Referenced intake manifold pressure difference between pressure with EGR valve opened (first position) and pressure with EGR valve closed < 19.98 hPa

And

Referenced intake manifold pressure difference between pressure with EGR valve opened (second position) and pressure with EGR valve closed < 19.98 hPa

Remark:

Maximum duration time of 6 sec. is needed to complete the EGR diagnosis.

Leakage:

Switch between EGR valve leakage detection algorithms = true

And

Referenced intake manifold pressure difference between pressure with EGR valve opened (first position) and pressure with EGR valve closed < 0 hPa

And

Referenced intake manifold pressure difference between pressure with EGR valve opened (second position) and pressure with EGR valve closed > 5,434 hPa

Or

Switch between EGR valve leakage detection algorithms = OFF

And

Referenced intake manifold pressure difference between pressure with EGR valve opened (first position) and pressure with EGR valve closed > 35.07 hPa

And

Previous adaptive factor for EGR valve adaptation *Mode 6 variable for EGR system diagnosis < 0.57001

Or

Intake manifold pressure for measurements when EGR valve is closed > 300 hPa

And

Calibration bit to choose if valve leakage and min/max EGR flow limits are detected when intake manifold pressure is too high with closed EGR valve = 1

Remark:

Maximum duration time of 6 sec. is needed to complete the EGR diagnosis.