Diagnostic Procedure (2.0L); Check Cmp Sensor Electrical Connector (2.0L); Check Cmp Sensor Power Supply Circuit For An Open Or Short (2.0L) - 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 2.0L Engine) in Section 16 Wiring).
Are the ground connections OK?
Yes >>
Go to the next step.
No >>
Repair or replace ground harness or connections.
2.
CHECK CMP SENSOR ELECTRICAL CONNECTOR
• Disconnect the CMP sensor electrical connector (1).
• 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 CMP SENSOR POWER SUPPLY CIRCUIT FOR AN OPEN OR SHORT
• Turn ignition switch on.
• Check CMP sensor supply voltage between sensor
connector E-007, terminal 3 and ground in the sen-
sor electrical connector.
• Battery voltage should exist.
Is the check result normal?
Yes >>
Go to step 5.
No >>
Go to the next step.
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DIAGNOSIS & TESTING
Chery Automobile Co., Ltd.
VISMD030001
LTSMD030044