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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE> 13B-15 PROCEDURE 5 EXHAUST GAS RECIRCULATION (EGR) SYSTEM MONITOR DTC P0401 Drive cycle This monitor [from start to ignition switch to the "LOCK" (OFF) position] will be completed while NOTE: . Vehicle speed and throttle opening angle should be within the shaded range. Inspection • Engine coolant temperature: 80 ° C (176 ° F) or more • Atmospheric temperature: 5 ° C (41 ° F) or more • A/C switch: OFF • Condition of A/T: Selector lever D range Test procedure 1. Engine: start − 64 km/h (35 − 40 mph). 3. Travel for 20 seconds or more while keeping the vehicle speed at 56 − 64 km/h (35 - 40 mph). (M/ T = 4th speed) 4. Fully close the throttle from an engine speed of 2,000 − 3,000 r/min, and decelerate to approx. 900 r/min without applying the brakes. Do not steer the handle or turn the light ON/OFF during this 5. Accelerate until the vehicle speed reaches 56 − 64 km/h (35 − 40 mph), and travel for 20 seconds or more. Then, repeat steps 4 and 5 and complete 8 monitor sessions. 6. Return the vehicle to the shop, then turn the ignition switch to the "LOCK" (OFF) position. − Exhaust Gas Recirculation Flow Insufficient Detected. AKX01349 (2) AKX01349 (3) (5) (5) (5) (5) (2) (1) (4) (4) (4) (4) (4) 20 SECONDS OR MORE 20 SECONDS OR MORE 1 ST 7 TH 8 TH 2 ND ENGINE START IGNITION FULL FULL FULL FULL FULL 64 32 0 100 50 0 VEHICLE CALCULATED AKX01349AC |