Chery Tiggo 2009 Service Manual page 1723

On Board Diagnostic Logic
• Self-diagnosis detection logic.
DTC NO.
B3060
B3061
B3077
DTC Confirmation Procedure:
Before performing the following procedure, confirm that battery voltage is more than 12 V.
• Turn ignition switch off.
• Connect the X-431 scan tool to the Data Link Connector (DLC) - use the most current software available.
• Turn the ignition switch on, with the scan tool, view and erase stored DTCs in the Immobilizer control module.
• Try to start the engine.
• Turn the ignition switch off, and wait a few seconds, then turn the ignition switch on.
• With the scan tool, view active DTCs in the Immobilizer control module.
• If the DTC is detected, the condition is current. Go to Diagnostic Procedure - Step 1.
• If the DTC is not detected, the DTC condition is intermittent (See Diagnostic Help and Intermittent DTC Trou-
bleshooting in Section 15 Body & Accessories for more information).
NOTE :
While performing electrical diagnosis & testing, always refer to the electrical schematics for specific circuit
and component information.
Chery Automobile Co., Ltd.
DIAGNOSIS & TESTING
DTC DETECTION
DTC DEFINITION
Unprogrammed
transponder fixed
code received
Disturbed or no
challenge/response Ignition switch: ON
transponder
communication
Read-only
transponder
detected
DTC SET
CONDITION CONDITION
The Immobilizer
control module
detects the received
unprogrammed
transponder
condition.
The Immobilizer
control module
detects the received
unprogrammed
transponder
condition.
The Immobilizer
control module
detects a read-only
transponder
condition.
POSSIBLE CAUSE
• Transponder
• Harness or
connectors
• Immobilizer control
module
• ECM
15
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