FRONT SUSPENSION
Engine speed signal
Failure
Effect
Open circuit
No ACE control - 'Locked bars' condition
No ACE control - 'Locked bars' condition
No ACE control - 'Locked bars' condition
Short circuit - Ground
Short circuit - VBatt
Reverse gear signal
Failure
Effect
Open circuit
No reverse signal to ECU. ACE active in reverse,
may give abnormal handling when reversing
Short circuit - Ground
Short circuit - VBatt
No reverse signal to ECU. ACE active in reverse,
may give abnormal handling when reversing
Permanent reverse signal to ECU. Permanent
'Locked bars' condition
Ignition ON signal
Failure
Effect
Open circuit
ECU does not receive ignition ON signal. No ARC
control, 'Locked bars' condition
Short circuit - Ground
Short circuit - VBatt
ECU does not receive ignition ON signal. No ARC
control, 'Locked bars' condition
Permanent ignition ON signal to ECU. Possibility of
flat battery
Pressure control valve failure
Failure
Effect
Open circuit
No ACE control
No ACE control
No ACE control
No ACE control
Short circuit - Ground
Short circuit - VBatt
Valve stuck open
Valve stuck closed
Maximum system pressure - no proportional control.
Pressure relief valve operating at 185 bar (2683
lbf.in2)
Directional control valves
Failure
DCV 1
Effect
DCV 2
Valve open or stuck open Valve open or stuck open No ACE control - Anti-roll bars floppy
Valve closed or stuck
closed
Valve closed stuck
closed
No ACE control - 'Locked bars' condition (default)
Valve open or stuck open Valve closed or stuck
closed
Vehicle leans to left when pressure is applied to
actuators
Valve closed or stuck
closed
Valve open or stuck open Vehicle leans to right when pressure is applied to
actuators
DESCRIPTION AND OPERATION
60-21
| Categories | Land Rover Defender, Land Rover Discovery II, Range Rover |
|---|---|
| Tags | Land Rover |
| Model Year | 1999 |
| Download File |
|
| Document Type | Workshop Manual |
| Language | English |
| Product Name | Discovery Series II |
| Product Brand | Land Rover |
| Document File Type | |
| Publisher | landrover.com |
| Wikipedia's Page | http://en.wikipedia.org/wiki/Land_Rover |
| Copyright | Attribution Non-commercial |
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