Page 394 - Foton Workshop Manual - Tunland (AT)
P. 394
04-248 DIAGNOSTICS - ENGINE CONTROL SYSTEM
P3243-ENGINE COOLING SYSTEM MONITOR - DATA VALID BUT
BELOW NORMAL OPERATING RANGE - MEDIUM SEVERITY
LEVEL
Description
04 1 . The coolant temperature sensor, a variable resistor sensor, used to measure
the temperature of the engine coolant. ECM provides the 5V power to the coolant
temperature signal circuit. ECM monitors voltage changes due to sensor
resistance changes to determine coolant temperature.
Circuit Diagram
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