Check Ect Sensor Electrical Connector; Check Ect Sensor Signal Circuit For A Short - Chery Tiggo 2009 Service Manual

Diagnostic Procedure
1.
CHECK GROUND CONNECTIONS
• Turn ignition switch off.
• Loosen and retighten ground screws on the body (See Ground Inspection in Section 03 Electronic Engine Con-
trols).
• Inspect ground connections E-207 and E-208 mounting position (See Vehicle Wiring Harness Layout - Engine
Room Harness (With 1.6L/1.8L Engine) in Section 16 Wiring).
Are the ground connections OK?
Yes >>
Go to the next step.
No >>
Repair or replace ground connections.
2.

CHECK ECT SENSOR ELECTRICAL CONNECTOR

• Disconnect the ECT sensor (1) electrical connector.
• Inspect the electrical connector for damage.
Is the electrical connector OK?
Yes >>
Go to the next step.
No >>
Repair or replace the electrical connector
as necessary.
3.
CHECK THE ENGINE COOLANT TEMPERATURE (ECT) SENSOR SIGNAL CIRCUIT FOR A SHORT
• Turn ignition switch on.
• Check ECT sensor reference voltage between sen-
sor terminal 2 and ground in the sensor electrical
connector E-019.
• 5 V should exist.
Is the check result normal?
Yes >>
Go to step 5.
No >>
Go to the next step.
Chery Automobile Co., Ltd.
DIAGNOSIS & TESTING
03
BESM030019
LTSMD030032
93
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