Jaguar XK 5HP User Manual
JAGUAR TRANSMISSIONS
5HP 24 AUTOMATIC TRANSMISSION SYSTEM
TCM Inputs – Transmission (continued)
Service Training
ROTARY SWITCH
GEAR SELECTOR LEVER
Transmission Rotary Switch
The digital rotary switch is mounted on the right hand
side of the transmission and is operated by transmission gear selector shaft. Selection of a particular gear
generates a 4-bit binary coded signal which is transmitted directly to the TCM over a four wire parallel
interface. The rotary switch bolts directly to the transmission case and does not require a service tool for
installation.
In addition to the gear selector positions, the rotary
switch incorporates a separate Park/Neutral open/close
switch used for engine start inhibit.
T201/3.12
NOTE: If the selector cable is incorrectly
adjusted, the range selector may transmit an
invalid code, which would cause a DTC to be
flagged.
NOTES
T201/3.13
3.14 Student Guide
JAGUAR TRANSMISSIONS
Service Training
PDU Datalogger readings for the range sensor and the D – 4 switch will show as follows:
RANGE SWL1 SWL2 SWL3 SWL4 D4SW
PARK 10000
REVERSE 01000
NEUTRAL 11100
DRIVE 10110
MANUAL 4th 10111
MANUAL 3rd 01111
MANUAL 2nd 00011
SWL 0 = closed / low voltage; 1 = open / high voltage
D4SW 0 = open / low voltage; 1 = closed / high voltage (B+)
D–4 Switch
D – 4 SWITCH
The normally open (Drive range) D – 4 switch, located
at the J-gate selector, provides the TCM with an voltage
input when the gear selector is moved from one side to
the other. This input is required as no selector cable
and range sensor movement occurs during the sideways movement.
NOTES
T201/3.14
Student Guide 3.15
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