18
ENGINE MANAGEMENT SYSTEM
The MAP/IAT sensor can fail, or supply an incorrect signal if one or more of the following occur:
•
•
•
•
•
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Sensor open circuit.
Short circuit to vehicle supply.
Short circuit to vehicle earth.
Contaminated sensor element.
Damaged sensor element.
Resistance in wiring harness.
In the event of a MAP/IAT sensor failure any of the following symptoms may be observed:
•
If the MAP sensor fails manifold pressure is set to a pre-determined default value and the engine performance
will be reduced.
•
If the IAT sensor fails the ECM will set air temperature to a fixed value. The ECM will use a fixed default value
from its memory.
10
DESCRIPTION AND OPERATION
| Categories | Land Rover, Land Rover Defender |
|---|---|
| Tags | Land Rover |
| Model Year | 1999, 2000, 2001, 2002 |
| Download File |
|
| Document Type | Workshop Manual |
| Language | English |
| Product Name | Defender |
| 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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