Range Rover Evoque: Transmission Description - Component Location

Component Location

COMPONENT LOCATION

  1. Auxiliary battery module
  2. Transmission Control Switch (TCS)
  3. Upshift (+) paddle switch
  4. Downshift (-) paddle switch
  5. Transmission and Gear Shift Module (GSM) breathers
  6. Automatic transmission
  7. Gear Shift Module (GSM)
  8. Transmission Control Module (TCM)
  9. Transmission fluid cooler (all markets)
  10. Transmission fluid cooler (hot climate markets)

Overview

OVERVIEW

The AW F21 automatic transmission is a 6 speed, electronically controlled unit manufactured by Aisin AW in Japan. The transmission represents the latest in automatic transmission technology for a transverse, AWD (all-wheel drive) unit. The transmission features lock-up slip control, 'CommandShift' functions and automatic and driver selectable modes to give the optimum on and off road performance.

The transmission is controlled by a TCM (transmission control module) which contains software to provide operation as a semi-automatic 'CommandShift' transmission and a Gear Shift Module (GSM). The GSM is a rotary actuator which converts driver selections for P, R, N, D and S on the rotary TCS (transmission control switch) into rotary movement of the transmission selector shaft allowing the system to operate as a 'shift by wire' system, with no mechanical link to the transmission for drive selections.

The TCM allows the transmission to be operated as a conventional automatic unit by selecting P, R, N, D, S on the TCS.

Rotation of the TCS to the 'S' position puts the transmission into electronic 'Sport' mode. Operation of the steering wheel mounted + or - paddle switches puts the transmission into electronic manual 'CommandShift' mode.

Refer to: External Controls (307-05 Automatic Transmission/Transaxle External Controls - Vehicles With: AWF21 6-Speed Automatic Transmission, Description and Operation).

The transmission system uses an auxiliary battery module which powers a failsafe system to allow the engagement of 'Park' in the event of vehicle power failure.

The AW F21 transmission has the following features:

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