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TROUBLESHOOTING MULTIPORT FUEL INJECTION (MPI) <4G1> 13B-13 Procedure 1 Catalytic converter monitor P0421 Drive cycle One trip monitor [from start to ignition switch to "LOCK" (OFF) position] will be completed Inspection • Atmospheric temperature: −10°C or more Test 1. Engine: start − 80 km/h for 10 minutes or more, fully close the throttle at least once in 2 minutes and decelerate for 10 seconds or more. • Do not repeat deceleration too often. • Vehicle speed may go below 55 km/h after the deceleration. • Stopping and braking are permitted. (If stopped or drive at 55 km/h or less for more than 5 minutes the monitoring may be stopped. In this case please restart monitoring 6. After completing the above deceleration, bring the vehicle speed back to 55 − 80 km/h and keep it in the range until starting the deceleration again. • Repeat the above deceleration at least 5 times. 7. Return the vehicle to the shop, then turn the ignition switch to "LOCK" (OFF) position. AK301815 10 minutes or more Ignition switch : Engine Start Vehicle 6 minutes or more 90 km/h or more 55 - 80 km/h (1) (5,6) (4) (3) (2) (7) Time Stopping and braking AB Main Index Group TOC |