Land Rover Discovery: External Controls
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COMPONENT LOCATION
Downshift paddle switch
Upshift paddle switch
Transmission Control Switch (TCS)
OVERVIEW
The external controls comprise a rotary TCS (transmission control switch)
and two ste
PRINCIPLES OF OPERATION
For a detailed description of the Automatic Transmission External Controls,
refer to the relevant Description and Operation section in the workshop
manual. REFER to: External C
COMPONENT LOCATION
Paddle switches - upshift / downshift
Transmission Control Switch (TCS)
Transmission Control Module (TCM)
ZF 9HP48 Automatic transmission
Automatic Transmission Fluid (ATF)
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The RDU is driven by the driveshaft which is connected to the PTU. As the
PTU synchroniser is engaged, the driveshaft begins to rotate the stationary
components within the RDU. Pressure is then applied to the clutch plates
and torque is the transferred to the halfshafts.
The drive flange is connect
Electrical connector - ECM position sensor 5V supply
Electrical connector - shroud control solenoid 12V supply
Position sensor
Variable coolant pump body
Drive pulley hub
Seal
Shroud
Pump impeller
The variable coolant pump is located on the upper left side of the engine
within a cavity i