DISCOVERY
ETM E2
CIRCUIT OPERATION
Charge Warning Light
MFI–V8 and 300Tdi with EDC
Malfunction Indicator Lamp (Check Engine)
The Malfunction Indicator Lamp (Check Engine) is
grounded by the Engine Control Module (ECM)
(Z132) when a diagnostic trouble code is set.
The charge warning light receives battery voltage
with the Ignition Switch (X134) in position II. This
warning light is grounded by the Generator (Z106)
if the Generator is not producing normal power
output or the Generator stops turning.
Diesel
Glow Plug Indicator
The Glow Plug Indicator is grounded by the Glow
Plug Timer Unit (Z135) to indicate that the Glow
Plugs have been activated.
ABS Warning Light
The ABS warning light receives battery voltage with
the Ignition Switch (X134) in position II. It is
grounded by the Anti–Lock Brake System ECU
(Z108) or the ABS Warning Relay (K103) in the
event of an ABS problem.
Brake Warning Light
The brake warning light receives battery voltage
with the Ignition Switch (X134) in position II. It is
grounded by the Brake Fluid Level Switch (X111)
when the brake fluid level is low. It may also be
grounded when the Handbrake Switch (X191) is
closed. On Australian vehicles the brake warning
light is grounded by a 3 second timer as a bulb
check.
Oil Pressure Warning Light
The oil pressure warning light receives battery
voltage with the Ignition Switch (X134) in position
II. If the engine oil pressure is very low, the Oil
Pressure Switch (X149) will apply ground to the
warning light.
Transmission/Transfer Box Oil Temperature
Warning Light
The transmission/transfer box oil temperature
warning light is grounded by the Automatic
Transmission Oil Temperature Switch (X108) when
the temperature of the transmission fluid exceeds
130°C (266°F). The warning light is also grounded
by the Transfer Box Oil Temperature Switch (X174)
when the temperature of the transfer box fluid
exceeds 145°C (266°F). On Australian vehicles the
warning light is grounded by a 3 second timer as a
bulb check.
E L E C T R I C A L T R O U B L E S H O O T I N G M A N U A L
1
| Categories | Land Rover, Land Rover Discovery |
|---|---|
| Tags | Land Rover |
| Model Year | 1995 |
| Download File |
|
| Document Type | Electrical Troubleshooting Manual |
| Language | English |
| Product Name | Discovery |
| 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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