Range Rover 2. Electrical Manual - part 20
CRUISE CONTROL
B5
18
TROUBLESHOOTING
OK
OK
PROBLEM CAUSE
OK
OK
3D
4D
CONDITIONS
Ignition Switch
Position: II
Y, YR
CONDITIONS
Ignition Switch
Position: II
Wire
-
-
D
D
4D
D
Cruise Control Switch
On
Body Electrical Control
Module (BECM)
2D
PROBLEM CAUSE
OU, OR
-
- Cruise Control Vacuum
Pump
Turn a drive wheel by hand
D
RESULTS
=
C243
YR
V
Z121
Cruise Control ECU
Y
LHD
RHD
5V with ignition position II
RESULTS
Cruise Control Vacuum Pump
Operates
D
C243
Z121
Cruise Control ECU
OR
OU
OR
Wire
5D
Transfer Gearbox
Hi Range
D
Gear Selector
Forward Gear
D
Brake Pedal
Released
D
=
2.5V approx. with wheels turning