P0400

WIRING DIAGRAM

CIRCUIT DESCRIPTION





DTC CONFIRMATION PROCEDURE

WARNING:
- When performing a road test, select a place where there is no traffic or possibility of a traffic accident and be very careful during testing to avoid occurrence of an accident.
- Road test should be carried out with 2 persons, a driver and a tester, on a level road.

1. Turn ignition switch OFF. Clear DTC with ignition switch ON, check vehicle and environmental condition for:
- Indication of fuel level meter in combination meter: 1/4 or more
- Altitude (barometric pressure): 24OOm, 8OOOft or less (560mmHg, 75kPa or more)
- Ambient temp.: -1O°C, 14°F or higher
- Intake air temp: 5O°C, 122°F or lower
2. Start engine and warm it up to normal operating temperature.
3. Increase vehicle speed to 40 - 50mph, 60 - 70km/h in 5th gear or in "D" range.
4. Hold throttle valve at that opening position for 5 min.
5. Increase engine speed to 4000r/min. in 3rd gear or in "2" range.
6. Release accelerator pedal and with engine brake applied, keep vehicle coasting (fuel cut condition) till engine speed reaches 1500 r/min.
7. Stop vehicle (don't turn ignition switch OFF) and confirm test results according to following "Test Result Confirmation Flow Chart."








TEST RESULT CONFIRMATION FLOW CHART

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INSPECTION