Chery Tiggo 2009 Service Manual page 583

2.
CHECK IAT SENSOR ELECTRICAL CONNECTOR
• Disconnect the IAT sensor (IAT sensor is built-into)
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 INTAKE AIR TEMPERATURE (IAT) SENSOR SIGNAL CIRCUIT
• Turn ignition switch on.
• Check supply voltage between IAT sensor terminal
1 and ground in the IAT sensor electrical connector
E-009.
• 5 V should exist.
Is the check result normal?
Yes >>
Go to the next step.
No >>
Repair circuit for an open or short to
power in harness or connectors.
If circuit is normal, go to the next step.
4.
CHECK IAT SENSOR GROUND CIRCUIT FOR AN OPEN OR SHORT
• Turn ignition switch off.
• Disconnect ECM harness connector.
• Check harness continuity between following terminals.
IAT SENSOR TERMINAL
3
Chery Automobile Co., Ltd.
DIAGNOSIS & TESTING
ECM TERMINAL
17
03
VISMD030005
LTSMD030031
299
03–