Land Rover Discovery: Heater Mats - Inspection and Verification
PRINCIPLES OF OPERATION
For a detailed description of the Heater Mats, refer to the relevant
Description and Operation section in the workshop manual. REFER to: (501-
10 Seating)
Seats (Description and Operation),
Specifications (Specifications),
Seat Smoothing (General Procedures).
Inspection and verification
CAUTION:
Diagnosis by substitution from a donor vehicle is NOT acceptable.
Substitution of control modules does not guarantee confirmation of a
fault, and may also cause additional faults in the vehicle being tested
and/or the donor vehicle.
NOTES:
- Verify the customer concern
- Visually inspect for obvious signs of damage and system integrity
Visual Inspection
![Visual Inspection](images/books/227/index(23).1.jpg)
- If an obvious cause for an observed or reported concern is found,
correct the cause (if possible) before proceeding to the next step
- If the cause is not visually evident, verify the symptom and refer to
the
Symptom Chart, alternatively check for Diagnostic Trouble Codes
(DTCs) and refer to the DTC Index
- Check DDW for open campaigns. Refer to the corresponding bulletins and
SSMs which may be valid for the specific customer complaint and
carry out the recommendations as required
SYMPTOM CHART
![SYMPTOM CHART](images/books/227/index(23).2.jpg)
READ NEXT:
Seat Heater Sensor Faults - Each seat has two heating elements: one in
the base (seat cushion), and one in the back (squab). There is only one
sensor, which is located in the base. This sensor con
REMOVAL
WARNINGS:
To avoid accidental deployment and possible personal injury,
the
backup power supply must be depleted before repairing or
replacing any air bag supplemental restraint system (S
REMOVAL
NOTES:
Some variation in the illustrations may occur, but the essential
information is always correct.
Removal steps in this procedure may contain installation details.
LH illustration sh
SEE MORE:
SPECIAL TOOL(S)
REMOVAL
NOTE:
Some variation in the illustrations may occur, but the essential
information is always correct.
WARNING:
Make sure to support the vehicle with axle stands.
Raise and support the vehicle.
Refer to: Torque Converter - INGENIUM I4 2.0L Diesel (307-01
Automatic Transmis
Heating
There are 2 modes of heated door mirror operation; manual and automatic.
Manual operation is activated by pressing the Heated Rear Window (HRW)
switch . When the switch is pressed, the status LED in the switch illuminates
and the door mirror heater element is energized. Manual operation is