Land Rover Defender: Component Location, Overview

COMPONENT LOCATION

1. Instrument Cluster (IC)
2. Tire Pressure Monitoring System Control Module (TPMSCM)
3. Tire pressure sensor - Rear right wheel
4. Tire pressure sensor - Spare wheel
5. Tire pressure sensor - Rear left wheel
6. Tire pressure sensor - Front left wheel
7. Tire pressure sensor - Front right wheel

OVERVIEW

TIRE PRESSURE MONITORING SYSTEM

NOTES:

• During a tire 'blow out' a very rapid reduction in pressure is experienced. The Tire Pressure Monitoring System (TPMS) is not intended to warn the driver of a 'blow out'. It is not possible to give the driver sufficient warning that such an event is occurring, due to its short duration. The TPMS assists the driver to keep the tires at correct pressure. The TPMS tends to reduce the likelihood of a tire 'blow out' occurring.
• The Tire Pressure Monitoring System (TPMS) is inhibited when the vehicle is in Transit mode. For more details on Transit mode refer to the Pre-Delivery Inspection (PDI) manual.

The Tire Pressure Monitoring System (TPMS) measures the pressure in each of the tires on the vehicle. The TPMS issues warnings to the driver if any of the pressures deviate from those defined by local legislation.

A single TPMS hardware configuration is used. The TPMS status information is relayed to the driver with a message displayed in the Instrument Cluster (IC) message center and an amber warning indicator.

The purpose of the TPMS is to assist the driver in maintaining the vehicle's tire pressures at the optimum level in order to:

• Improve fuel consumption.
• Maintain ride and handling characteristics.
• Reduce the risk of rapid tire deflation, which may be caused by under inflated tires.
• Comply with legislation in relevant markets.

TRANSPORT RECALL ENHANCEMENT, ACCOUNTABILITY AND DOCUMENTATION ACT - NORTH AMERICAN SPECIFICATION VEHICLES ONLY

NOTES:

• If tires and wheels of a non-standard size are installed to the vehicle, the Car Configuration File (CCF) must be updated. The CCF must be updated using the Jaguar Land Rover (JLR) approved diagnostic equipment.
• If the label is damaged or removed for body repair, it must be replaced with a new label specific to that vehicle. A new label is requested from Jaguar Land Rover parts and will be printed specifically for the supplied Vehicle Identification Number (VIN) of the vehicle.

Vehicles supplied to the North American Specification (NAS) markets must comply with the legislation of the Transport Recall Enhancement, Accountability and Documentation (TREAD) act. Part of the requirement of the TREAD act is for the vehicle to display a label, positioned on the driver's side B-pillar. The label defines the recommended tire inflation pressure, load limits and maximum load of passengers and luggage weight the vehicle can safely carry. This label is specific to each individual vehicle and it is installed on the production line.

The label must not be removed from the vehicle. The label information only defines the specification of the vehicle as it came off the production line. It does not include retailer or owner mounted accessory wheels and tires of differing size from the original equipment.

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