5. Fuel Trim Monitor (P0170)
TEST CONDITIONS/PROCEDURE1. All of the following conditions should be satisfied when the drive test is carried out.
a. Engine coolant temperature: 80 - 97° C (176 - 207° F) or more (when engine is fully warmed up)
b. Outside air temperature: -10° C (14°F) or more, 60° C (140° F) or less
c. A/T condition:
- Selector lever position: D range
- Overdrive switch: ON
- Power/economy changeover switch: Power
d. A/C switch: OFF
2. Carry out one trip monitoring according to the following drive pattern (from starting of the engine until ignition is turned off). (Takes approximately 35 minutes.)
a. After the engine is fully warmed up, turn the ignition switch to OFF.
b. Start the engine and accelerate to a speed of between 89 - 97 km/h (55 - 60 mph).
c. Monitoring period: drive for 30 minutes or more while maintaining the vehicle speed at between 89 - 97 km/h (55 - 60 mph). Do not drive consistently for a continuous period of any more than 120 seconds during this time. (Gentle acceleration and deceleration and braking can be carried out, but sudden acceleration and deceleration should be avoided.)
d. After the engine is fully warmed up, turn the ignition switch to OFF.
Drive cycle pattern
CAUTION: The shaded areas In the graph indicate times when the vehicle speed should not go outside of the specified range.