Land Rover Range Rover Automatic Transmission System Rover Manual
Here you can view all the pages of manual Land Rover Range Rover Automatic Transmission System Rover Manual. The Land Rover manuals for Automobile are available online for free. You can easily download all the documents as PDF.
Page 31
![Page 31
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 5 of 52 2.2 Interface specification
2.2.1 Gear Shift Solenoids
2.2.1.1 Pin 5 - Pressure regulator
The purpose of the Pressure regulator is to generate modulation pressure for the gearbox clutches. The
pressure...](http://img.usermanuals.tech/thumb/2848/48606/w300_range-rover-automatic-transmission-system-rover-30.png "Page 31
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 5 of 52 2.2 Interface specification
2.2.1 Gear Shift Solenoids
2.2.1.1 Pin 5 - Pressure regulator
The purpose of the Pressure regulator is to generate modulation pressure for the gearbox clutches. The
pressure...")
System Information Document ____________________________________________________________________________________________________ _ [ZF_4SPD\Project_Specs][Revision: 2.3] ____________________________________________________________________________________________________ _ © Rover Group 1998Page 5 of 52 2.2 Interface specification 2.2.1 Gear Shift Solenoids 2.2.1.1 Pin 5 - Pressure regulator The purpose of the Pressure regulator is to generate modulation pressure for the gearbox clutches. The pressure...
Page 32
![Page 32
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 6 of 52 - Control unit
- Interface characteristicPower output
- Output voltage lowU_sat](http://img.usermanuals.tech/thumb/2848/48606/w300_range-rover-automatic-transmission-system-rover-31.png "Page 32
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 6 of 52 - Control unit
- Interface characteristicPower output
- Output voltage lowU_sat")
System Information Document ____________________________________________________________________________________________________ _ [ZF_4SPD\Project_Specs][Revision: 2.3] ____________________________________________________________________________________________________ _ © Rover Group 1998Page 6 of 52 - Control unit - Interface characteristicPower output - Output voltage lowU_sat
Page 33
![Page 33
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 7 of 52 If the battery supply is different from that expected, the following details the functionality of the
transmission controller:
VoltageSystem behaviour
16.0-26.0Jump start; excess voltage without damage,...](http://img.usermanuals.tech/thumb/2848/48606/w300_range-rover-automatic-transmission-system-rover-32.png "Page 33
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 7 of 52 If the battery supply is different from that expected, the following details the functionality of the
transmission controller:
VoltageSystem behaviour
16.0-26.0Jump start; excess voltage without damage,...")
System Information Document ____________________________________________________________________________________________________ _ [ZF_4SPD\Project_Specs][Revision: 2.3] ____________________________________________________________________________________________________ _ © Rover Group 1998Page 7 of 52 If the battery supply is different from that expected, the following details the functionality of the transmission controller: VoltageSystem behaviour 16.0-26.0Jump start; excess voltage without damage,...
Page 34
![Page 34
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 8 of 52 Discovery Series II (GS8.87.0):
A 12V supply is required to the position switch whenever there is an ignition feed to the Transmission
controller. If this is not realised, the transmission will be...](http://img.usermanuals.tech/thumb/2848/48606/w300_range-rover-automatic-transmission-system-rover-33.png "Page 34
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 8 of 52 Discovery Series II (GS8.87.0):
A 12V supply is required to the position switch whenever there is an ignition feed to the Transmission
controller. If this is not realised, the transmission will be...")
System Information Document ____________________________________________________________________________________________________ _ [ZF_4SPD\Project_Specs][Revision: 2.3] ____________________________________________________________________________________________________ _ © Rover Group 1998Page 8 of 52 Discovery Series II (GS8.87.0): A 12V supply is required to the position switch whenever there is an ignition feed to the Transmission controller. If this is not realised, the transmission will be...
Page 35
![Page 35
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 9 of 52 99MY Range Rover (GS8.87.1):
The position switch feed must be attached to ground at all times. If this is not realised, the transmission
will be unable to function correctly and so limphome mode will...](http://img.usermanuals.tech/thumb/2848/48606/w300_range-rover-automatic-transmission-system-rover-34.png "Page 35
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 9 of 52 99MY Range Rover (GS8.87.1):
The position switch feed must be attached to ground at all times. If this is not realised, the transmission
will be unable to function correctly and so limphome mode will...")
System Information Document ____________________________________________________________________________________________________ _ [ZF_4SPD\Project_Specs][Revision: 2.3] ____________________________________________________________________________________________________ _ © Rover Group 1998Page 9 of 52 99MY Range Rover (GS8.87.1): The position switch feed must be attached to ground at all times. If this is not realised, the transmission will be unable to function correctly and so limphome mode will...
Page 36
![Page 36
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 10 of 52 2.2.5.2 Pin 13 - High / Low range input
Discovery Series II (GS8.87.0):
The high / low range switch is electrically connected both to the transfer box and the EAT. It sets the
transmission ratio of the...](http://img.usermanuals.tech/thumb/2848/48606/w300_range-rover-automatic-transmission-system-rover-35.png "Page 36
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 10 of 52 2.2.5.2 Pin 13 - High / Low range input
Discovery Series II (GS8.87.0):
The high / low range switch is electrically connected both to the transfer box and the EAT. It sets the
transmission ratio of the...")
System Information Document ____________________________________________________________________________________________________ _ [ZF_4SPD\Project_Specs][Revision: 2.3] ____________________________________________________________________________________________________ _ © Rover Group 1998Page 10 of 52 2.2.5.2 Pin 13 - High / Low range input Discovery Series II (GS8.87.0): The high / low range switch is electrically connected both to the transfer box and the EAT. It sets the transmission ratio of the...
Page 37
![Page 37
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 11 of 52 99MY Range Rover (GS8.87.1):
The high / low range switch on 99My Range Rover is a component of the H-gate. It is electrically
connected to the transfer box; the input signal to the EAT is generated in...](http://img.usermanuals.tech/thumb/2848/48606/w300_range-rover-automatic-transmission-system-rover-36.png "Page 37
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 11 of 52 99MY Range Rover (GS8.87.1):
The high / low range switch on 99My Range Rover is a component of the H-gate. It is electrically
connected to the transfer box; the input signal to the EAT is generated in...")
System Information Document ____________________________________________________________________________________________________ _ [ZF_4SPD\Project_Specs][Revision: 2.3] ____________________________________________________________________________________________________ _ © Rover Group 1998Page 11 of 52 99MY Range Rover (GS8.87.1): The high / low range switch on 99My Range Rover is a component of the H-gate. It is electrically connected to the transfer box; the input signal to the EAT is generated in...
Page 38
![Page 38
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 12 of 52 2.2.5.3 Pin 45 - Driver mode request
Discovery Series II (GS8.87.0):
The program selector is used to select shift strategies depending on the setting of the High/Low range
switch. The strategies can be...](http://img.usermanuals.tech/thumb/2848/48606/w300_range-rover-automatic-transmission-system-rover-37.png "Page 38
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 12 of 52 2.2.5.3 Pin 45 - Driver mode request
Discovery Series II (GS8.87.0):
The program selector is used to select shift strategies depending on the setting of the High/Low range
switch. The strategies can be...")
System Information Document ____________________________________________________________________________________________________ _ [ZF_4SPD\Project_Specs][Revision: 2.3] ____________________________________________________________________________________________________ _ © Rover Group 1998Page 12 of 52 2.2.5.3 Pin 45 - Driver mode request Discovery Series II (GS8.87.0): The program selector is used to select shift strategies depending on the setting of the High/Low range switch. The strategies can be...
Page 39
![Page 39
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 13 of 52 - Component
- TypeMake contact to ground
- Max bounce time 2.0V, U_US_AD
- HysteresisU_low to U_high => U_high to U_low +0.5V
- Input circuit(1.2 +/- 0.2) kW (pull up to Ubp)
- Input current-10mA, input...](http://img.usermanuals.tech/thumb/2848/48606/w300_range-rover-automatic-transmission-system-rover-38.png "Page 39
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 13 of 52 - Component
- TypeMake contact to ground
- Max bounce time 2.0V, U_US_AD
- HysteresisU_low to U_high => U_high to U_low +0.5V
- Input circuit(1.2 +/- 0.2) kW (pull up to Ubp)
- Input current-10mA, input...")
System Information Document ____________________________________________________________________________________________________ _ [ZF_4SPD\Project_Specs][Revision: 2.3] ____________________________________________________________________________________________________ _ © Rover Group 1998Page 13 of 52 - Component - TypeMake contact to ground - Max bounce time 2.0V, U_US_AD - HysteresisU_low to U_high => U_high to U_low +0.5V - Input circuit(1.2 +/- 0.2) kW (pull up to Ubp) - Input current-10mA, input...
Page 40
![Page 40
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 14 of 52 2.2.7 Analogue inputs
2.2.7.1 Pins 14,15,42 - Output shaft speed sensor
The transmission output shaft speed is captured by an inductive sensor that is mounted at a magent wheel
with 36 teeth. The...](http://img.usermanuals.tech/thumb/2848/48606/w300_range-rover-automatic-transmission-system-rover-39.png "Page 40
System Information Document
____________________________________________________________________________________________________
_
[ZF_4SPD\Project_Specs][Revision: 2.3]
____________________________________________________________________________________________________
_
© Rover Group 1998Page 14 of 52 2.2.7 Analogue inputs
2.2.7.1 Pins 14,15,42 - Output shaft speed sensor
The transmission output shaft speed is captured by an inductive sensor that is mounted at a magent wheel
with 36 teeth. The...")
System Information Document ____________________________________________________________________________________________________ _ [ZF_4SPD\Project_Specs][Revision: 2.3] ____________________________________________________________________________________________________ _ © Rover Group 1998Page 14 of 52 2.2.7 Analogue inputs 2.2.7.1 Pins 14,15,42 - Output shaft speed sensor The transmission output shaft speed is captured by an inductive sensor that is mounted at a magent wheel with 36 teeth. The...