Chery A1 2009 Service Manual page 900

• For DTC B3043, turn ignition switch on, check voltage between the Immobilizer control module connector
C-025, terminal 8 and ground.
IMMOBILIZER
CONTROL
TERMINAL
MODULE
TERMINAL
8
•
Is the check result normal?
Yes >>
Go to the next step.
No >>
Repair the circuits fault as necessary.
6.
REPLACE AND MATCH THE IMMOBILIZER CONTROL MODULE
• Replace and program the Immobilizer control module with the X-431.
• Reconnect all previously disconnected components.
• With the X-431 scan tool, view the DTCs in the Immobilizer control module.
Is DTC B3042 or B3043 present again?
Yes >>
Go to the next step.
No >>
The system is now operating properly.
The DTC was caused by the Immobilizer control module.
7.
REPLACE AND MATCH THE ECM
• With the X-431 scan tool, view active DTCs in ECM.
• Refer to DTC Confirmation Procedure .
Is DTC B3042 or B3043 still present?
Yes >>
Replace the ECM and match the Immobilizer control module to the new ECM (See ECM Removal &
Installation 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
RESULT
12 V should not
Ground
exist
15
131
15–