300Tdi Discovery
17
EMISSION CONTROL
2
FAULT DIAGNOSIS
ADD: 09/95
DRIVE CYCLE - ADVANCED EVAPS
1. Switch on ignition for 30 seconds.
2. Ensure that coolant temperature is less than 140
°
F (30
°
C).
3. Start engine and allow to idle for 2 minutes.
4. Perform 2 light accelerations (0 to 35 mph with
light pedal pressure).
5. Perform 2 medium accelerations (0 to 45 mph
with moderate pedal pressure).
6. Perform 2 hard accelerations (0 to 55 mph with
heavy pedal pressure).
7. Cruise at 60 mph for 5 minutes.
8. Cruise at 50 mph for 5 minutes.
9. Cruise at 35 mph for 5 minutes.
10. Allow engine to idle for 2 minutes.
11. Connect TestBook and check for fault codes.
