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 harness or 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 MAP SENSOR POWER SUPPLY
• Turn ignition switch on.
• Check the voltage between terminal 1 and terminal
3 in 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.
DIAGNOSIS & TESTING
PZSMD030007
VISMD030010
03–54
Chery Automobile Co., Ltd.