Check The Iat Sensor - Chery Tiggo 2009 Service Manual

7.

CHECK THE IAT SENSOR

• Connect IAT sensor connector.
• Connect ECM connector.
• Turn ignition switch on.
• Check signal between IAT sensor terminal 1 and ground under the following conditions:
IAT SENSOR
TERMINAL NO.
1 (For 1.8L engine)
2 (For 1.6L engine)
Is the check result normal?
Yes >>
Go to the next step.
No >>
Replace IAT sensor.
8.
CHECK DTC
• With the X-431 scan tool, read ECM DTCs.
• Refer to DTC Confirmation Procedure .
Is DTC P0112 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.
Chery Automobile Co., Ltd.
DIAGNOSIS & TESTING
ITEM
IAT sensor Ignition switch: ON
CONDITION
IAT: 36°C
DATA (DC
VOLTAGE)
03
1.88 V
83
03–