1999 LAND ROVER DISCOVERY air conditioning

DRIVING AIDS
DESCRIPTION AND OPERATION 86-8-5
PDC ECU
A = Vehicles without rear air conditioning
B = Vehicles with rear air conditioning
1Body 'E' post
2PDC ECU3PDC sounder
4Mounting bracket
The PDC ECU is located in the LH side of the luggage compartment. A bracket is attached to the 'E' post, behind the
trim panel and provides for the attachment of the ECU and the PDC sounder.
On vehicles without rear air conditioning, the bracket is located inboard on the LH 'E' post, adjacent to the luggage
compartment trim panel. On vehicles with rear air conditioning, the bracket is located outboard on the LH 'E' post,
adjacent to the outer body panel.
The bracket has integral studs which provide for the attachment of the ECU with nuts. The ECU is located with the
harness connectors uppermost to assist access. The PDC sounder is located on the opposite side of the bracket and
is secured with screws, lockwashers and nuts.

DRIVING AIDS
86-8-10 DESCRIPTION AND OPERATION
Sounder
The PDC sounder is controlled by the PDC ECU and emits a series of tones of varying frequency to inform the driver
of the distance between the vehicle and a detected object.
The PDC sounder is located in the LH side of the luggage compartment. A bracket is attached to the 'E' post, behind
the trim panel and provides for the attachment of the PDC sounder and the PDC ECU.
On vehicles without rear air conditioning, the bracket is located inboard on the LH 'E' post, adjacent to the luggage
compartment trim panel. On vehicles with rear air conditioning, the bracket is located outboard on the LH 'E' post,
adjacent to the outer body panel.
The sounder is located on two screws and lock washers through the bracket and secured with nuts. The sounder is
connected to the PDC ECU via a harness connector.

NAVIGATION SYSTEM
REPAIRS 87-29
REPAIRS
Interface electronic control unit (ECU) -
remote control
$% 86.53.15
Remove
1.Remove navigation display unit.

+ NAVIGATION SYSTEM, REPAIRS,
Display unit.
2.Remove automatic temperature control unit.

+ AIR CONDITIONING, REPAIRS, ECU
- air temperature control.
3.Remove 2 nuts securing interface carrier
bracket, carefully pull bracket out of fascia.
4.Release interface ECU from bracket,
disconnect multiplug and remove ECU.Refit
1.Secure interface ECU in bracket and connect
multiplug.
2.Carefully position carrier bracket in fascia,
secure with nuts and tighten to 10 Nm (7 lbf.ft).
3.Fit automatic temperature control unit.

+ AIR CONDITIONING, REPAIRS, ECU
- air temperature control.
4.Fit navigation display unit.

+ NAVIGATION SYSTEM, REPAIRS,
Display unit.
M86 5760
M86 5762