L322 Range Rover System Description and Operation
ENGINE MANAGEMENT SYSTEM – V8
DESCRIPTION AND OPERATION 18-2-39
Drive cycle D
1 Switch ignition on for 30 seconds.
2 Ensure engine coolant temperature is less than 35
°
C.
3 Start the engine and allow to idle for 2 minutes.
4 Perform 2 light accelerations, i.e. 0 to 35 mph with light pedal pressure.
5 Perform 2 medium accelerations, i.e. 0 to 45 mph with moderate pedal pressure.
6 Perform 2 hard accelerations, i.e. 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/T4 and check for fault codes.
Drive cycle E
1 Ensure fuel tank is at least a quarter full.
2 Carry out drive cycle A.
3 Switch off ignition.
4 Leave vehicle undisturbed for 20 minutes.
5 Switch on ignition.
6 Connect TestBook/T4 and check for fault codes.