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
- 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
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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:
WARNING:
Always wear safety glasses when repairing an air bag
supplemental restraint system (SRS) vehicle and when
handling an air bag module. Failure to follow this instruction
may result in personal injury.
Deployed air bag modules are to be disposed of as special waste
and must comply with local
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.
RH illustration shown, LH is similar.
Refer to: Third Row Seat (501-10, Removal and Installation).