L322 Range Rover Service Procedures
ALARM SYSTEM AND HORN
86-5-4
REPAIRS
Electronic control unit (ECU) -
immobilisation
$% 86.77.07
If the ECU is to be replaced then Testbook/T4 must
be connected and correct procedures adhered to,
prior to battery disconnection.
Remove
1. Remove centre console.
2. Remove bolt securing immobilisation ECU to
gear selector carrier.
3. Release immobilisation ECU from the mounting
and disconnect multiplug.
4. Remove ECU.
Refit
1. Fit and secure immobilisation ECU to carrier,
tighten bolt to 3 Nm (2.2 lbf.ft).
2. Connect multiplug to immobilisation ECU.
3. Fit centre console.
4. Cofigure new ECU using TestBook/T4.
Switch - bonnet
$% 86.77.20
Remove
1. Disconnect multiplug from bonnet alarm switch.
2. Release and remove switch from bulkhead
closing panel.
Refit
1. Fit bonnet switch to closing panel.
2. Connect multiplug to bonnet switch.
M86 5882
M86 5722
