L322 Range Rover Service Procedures
NAVIGATION AND IN CAR ENTERTAINMENT
REPAIRS
86-7-7
Computer - navigation
$% 86.53.01
Before disconnecting the battery, ensure all text and
cautions in the battery disconnection section are
observed.
GENERAL INFORMATION, Electrical
If the navigation computer/unit is to be replaced then
Testbook/T4 must be connected and correct
procedures adhered to, prior to battery
disconnection.
Remove
1. Disconnect battery earth lead.
CAUTION: After switching off the ignition,
wait 2 minutes before disconnecting the
battery. Failure to wait two minutes will
damage the navigation computer.
2. Remove access panel from load space LH trim
casing.
3. Use SMD 4091 and release navigation unit.
4. Disconnect coaxial cable.
5. Release and disconnect 2 multiplugs from
navigation unit.
6. Remove navigation unit.
Refit
1. Position navigation unit and connect
multiplugs.
2. Connect coaxial cable.
3. Fit navigation unit into bracket.
4. Fit access panel.
5. Connect battery earth lead.
6. Configure new naivigation unit using TestBook/
T4.
M86 5818
SMD 4091
M86 5820
