Chery A1 2009 Service Manual page 156

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-801 and E-802 mounting positions (See Vehicle Wiring Harness Layout - ECM
Control Harness in Section 16 Wiring).
Are the ground connections OK?
Yes >>
Go to the next step.
No >>
Repair or replace ground connections.
2.
CHECK MAP SENSOR ELECTRICAL CONNECTOR
• Disconnect the MAP 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 MAP SENSOR POWER SUPPLY
• Turn ignition switch on.
• Check the voltage between terminal 1 and 3 in the
MAP sensor connector E-033 terminal side.
• 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
PZSMD030007
VISMD030010
49
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