Land Rover Discovery: External Controls
Land Rover Discovery (2009–2016) Service Manual / Powertrain / Automatic Transmission Transaxle / External Controls
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External Controls
/ Description and Operation
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
External Controls
/ Diagnosis and Testing
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
Automatic Transmission Transaxle
/ Description and operation
COMPONENT LOCATION
Paddle switches - upshift / downshift
Transmission Control Switch (TCS)
Transmission Control Module (TCM)
ZF 9HP48 Automatic transmission
Automatic Transmission Fluid (ATF)
SEE MORE:
Variable Geometry Turbocharger
(VGT) Vane
Actuator
The VGT vane actuator is located on the side of the turbocharger.
The actuator comprises a 12V DC motor which operates a worm drive to
move the actuator arm to adjust the vane position.
The ECM controls the output to the vane actuator motor using a Pulse
width modulation (PWM) output.
The motor a
Diagnosis and Testing Information and Entertainment System/ Symptom chart
SYMPTOM:
Audio/video system
inoperative at start up
POSSIBLE CAUSES:
Last used audio/video
source inoperative
MOST network fault
ACTION
GO to Pinpoint Test A.
SYMPTOM:
Audio/video soft key
greyed out on touch
screen
POSSIBLE CAUSES:
Last used audio/video
source ino
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