Chery A1 2009 Service Manual page 221

• If the DTC is not detected, the DTC condition is intermittent (See Diagnostic Help and Intermittent DTC Trou-
bleshooting in Section 03 Electronic Engine Controls for more information).
NOTE :
While performing electrical diagnosis & testing, always refer to the electrical schematics for specific circuit
and component information.
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 TPS ELECTRICAL CONNECTOR
• Disconnect the TPS (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 TPS POWER SUPPLY CIRCUIT
• Turn ignition switch on.
• Check voltage between TPS terminal 3 and ground
in connector E-027, terminal side.
• Approximately 5 V should exist.
Is the check result normal?
Yes >>
Go to step 8.
No >>
Go to the next step.
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03–
DIAGNOSIS & TESTING
PZSMD030004
LTSMD030035
Chery Automobile Co., Ltd.