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:
Rear Safety Belt
Buckle (G1814165) / Removal and
Installation
REMOVAL
WARNINGS:
To avoid accidental deployment and possible personal injury,
the
backup power supply must be depleted before repairing or
replacing any air bag supplemental restraint system (SRS)
components. To deplete the backup power supply energy,
disconnect the battery ground cable and
Valve Block
The valve block is located in a vertical position at the front of the
transmission main casing, behind a sealed cover. The valve block contains a
number of solenoids and spool valves to control the transmission operation.
The solenoids are controlled by the TCM to provide gear changes and
smooth t
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