Published: 11-May-2011

2007.0 Range Rover Sport (LS), 412-01

Air Distribution and Filtering (G830724)

DIAGNOSIS AND TESTING
Overview

The air distribution and filtering system is a fairly straightforward design requiring no specialized techniques for diagnosis.

For information on the description and operation of the system: REFER to: Air Distribution and Filtering (412-01 Air Distribution and Filtering, Description and Operation).

Inspection and Verification
  1. Verify the customer concern.
  1. Visually inspect for obvious mechanical faults.
Mechanical
  • Air ducts
  • Air registers/vents
  • Pollen filter (blocked/contaminated)

For the most part, faults will be confined to blocked or damaged registers or blocked vents.

Check for foreign objects finding their way into vents and registers and rectify as necessary. There is a self-test procedure for the motors and flaps controlling the air flow to the registers: REFER to: Climate Control System (412-00 Climate Control System - General Information, Diagnosis and Testing).

  1. Use the approved diagnostic system or a scan tool to retrieve any diagnostic trouble codes (DTCs) which may have been set as a result of a blocked or damaged flap.
      • For a list of DTCs relating to the climate control system: REFER to: Climate Control System (412-00 Climate Control System - General Information, Diagnosis and Testing).
      • Make sure that all DTCs are cleared following rectification.

The pollen filter must be replaced at the specified intervals to make sure the operation of the system is not affected. REFER to: Pollen Filter (412-01 Air Distribution and Filtering, Removal and Installation).