JAC J2 - Page 188

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Maintenance Manual for J2 Sedan
Electronic Control System
of Engine
187
4. Diagnosis
ECU real-time monitoring of the sensor and circuit
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Sensor open circuit;
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Internal short-circui
t of
sensor;
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Sensor unit short-circuit to ground
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Sensor unit short-circuit to system reference voltage signal wire.
5. Trouble Solution
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Check sensor circuit for normal function and incorrect connection of grounding
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Connect the sensor and harness to check whether the connections of power supply, grounding wire,
and signal wire are normal.
6.
Removal
and installation
1
）
Removal
①
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Disconnect the
harness
connector of
crankshaft position sensor
.
Speed sensor
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