Check For The Cause Of Uneven Air Flow Through Maf Sensor - Chery Tiggo 2009 Service Manual

• If the voltage is out of specification, proceed the following:

Check for the cause of uneven air flow through MAF sensor.

− Air cleaner seal
− Crushed air ducts
− Uneven dirt of air cleaner element
• If the parts malfunctioning, repair or replace them.
• If the parts OK, clean the MAF sensor, then check the signal of the MAF sensor.
Is the MAF signal normal?
Yes >>
Go to the next step.
No >>
Replace MAF sensor.
10.
CHECK DTC
• With the X-431 scan tool, read ECM DTCs.
• Refer to DTC Confirmation Procedure .
Is DTC P0102 still present?
Yes >>
Replace the ECM.
NOTE : The Immobilizer control module must be matched to the new ECM (See ECM Removal & Instal-
lation in Section 03 Electronic Engine Controls).
No >>
The system is now operating properly.
Reassemble the vehicle and road test to verify the customers complaint is repaired.
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03–
DIAGNOSIS & TESTING
Chery Automobile Co., Ltd.