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Land Rover Range Rover Automatic Transmission System Rover Manual

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System Information Document
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[ZF_4SPD\Project_Specs][Revision:   2.3]
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© Rover Group 1998Page 25 of 52 FaultDescriptionCARBAmbient 1Ambient 2Ambient 315CAN level monitoringP1842N_MOTVGT_$XMMMThe CAN protocol is not compatible between the engine and transmission controller.
Diagnostic operates:On arrival...

Page 52

System Information Document
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[ZF_4SPD\Project_Specs][Revision:   2.3]
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© Rover Group 1998Page 26 of 52 FaultDescriptionCARBAmbient 1Ambient 2Ambient 320CAN message V3 (road speed) invalid (FFh)P1884N_MOTVGT_$XMMMThe CAN message V3 (Velocity) from the engine management controller is invalid.
Diagnostic...

Page 53

System Information Document
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[ZF_4SPD\Project_Specs][Revision:   2.3]
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© Rover Group 1998Page 27 of 52 FaultDescriptionCARBAmbient 1Ambient 2Ambient 325Solenoid valve for TC  (short circuit to - or open circuit)P0743N_MOTAN8UBATTPin 32 (Solenoid valve for torque convertor lockup) is either short circuit...

Page 54

System Information Document
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[ZF_4SPD\Project_Specs][Revision:   2.3]
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© Rover Group 1998Page 28 of 52 FaultDescriptionCARBAmbient 1Ambient 2Ambient 330Gear ratio monitoring, 2nd gearP0732N_MOTVGT_$XMMMRatio of engine speed to output shaft speed whilst 2nd gear is engaged is out of range.
Diagnostic...

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System Information Document
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[ZF_4SPD\Project_Specs][Revision:   2.3]
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© Rover Group 1998Page 29 of 52 FaultDescriptionCARBAmbient 1Ambient 2Ambient 335CAN message N_MOT invalid, indicated by F_N_MOTP1884N_MOTVGT_$XMMMThe CAN message from the engine management controller which informs the transmission of...

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[ZF_4SPD\Project_Specs][Revision:   2.3]
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© Rover Group 1998Page 30 of 52 5.3 Impact on the system of each fault
Settings are those for Range Rover, 99MY (Software release L944e1414, 4.0l & 4.6l V8, NAS only)
PriorityControlByte 2 – Protection & DefaultByte 1 – Protection &...

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System Information Document
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[ZF_4SPD\Project_Specs][Revision:   2.3]
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© Rover Group 1998Page 31 of 526 General information
6.1 Dimensions and fixing details
The transmission controller ECU is located under the front left had seat, under a black metal bracket.  To remove the ECU, a
medium sized philips...

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[ZF_4SPD\Project_Specs][Revision:   2.3]
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© Rover Group 1998Page 32 of 52 7 Fault tree analysis
The following pages are a guide to fixing faults with the electronic automatic transmission.  In order to solve  fault, the fault
trees indicate the most logical way a problem...

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[ZF_4SPD\Project_Specs][Revision:   2.3]
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© Rover Group 1998Page 33 of 52 7.1.1.2 Fault code 2 – Transmission relay control (Permanent  O/C) 

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[ZF_4SPD\Project_Specs][Revision:   2.3]
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© Rover Group 1998Page 34 of 52 7.1.1.3 Fault code 3 – EEPROM communication fault
7.1.1.4 Fault code 4 – EPROM checksum fault 
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