Visual Inspect MAFS
Check that installation arrow on MAFS is correctly indiated.
Check that connector of MAFS is contaminated, deteriorated or damaged.
Check that air cleaner is O.K
Check that MAFS cylinder is blocked by foreign material, deformed or comtaminated.
Foreign material or water in intake air makes Hot film in MAFS damage.
Is the MAFS O.K ?
YES
▶ Go to "Check MAFS" as below.
NO
▶ Repair or replace as necessary and go to "Verification Vehicle Repair" procedure.
Check MAFS
Ignition "ON" & Engine "ON".
Check damage or air leakage from Intercooler hose.
Check that EGR is off when 90 seconds elasped after accelleration.
Monitor MAFS data when engine idle rpm is approximately 800.
Specification : 500mg/st ± 50mg/st
Is the MAFS parameter displayed within specifications ?
YES
▶ Go to "Component Inspection" procedure.
NO
▶ Refer to DTC P0100, P0102, P0103 for more detail inspection.
Repair or replace as necessary and go to "Verification of Vehicle Repair" procedure.
