JAC J2 User Manual

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Maintenance Manual for J2 Sedan
Electronic Control System
of Engine
182
4. Diagnosis
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Water temperature signal higher than the limit;
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Water temperature signal lower than the limit;
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Water temperature sensor short circuit, open circuit.
Room temperature resistance data: 2.5 ± 5%k
Ω
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5.
Trouble
Solution
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It mainly checks the connections between wires of sensor and ECU and between wires of sensor
and instruments for presence of short-circuit and open-circuit.
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Short circuit, open circuit, grounding problems
between sensor harness.
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Grounding: poor grounding easily lead to excessively high engine water temperature indication;
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Operating voltage: 5V;
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Operating temperature range: -40 - 135
℃
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6.
Dismantlement
and
Installation
Characteristic parameters (standard)
Coolant temperature
sensor

JAC J2 Specifications

General

Brand	JAC
Model	J2
Category	Automobile
Language	English