Chery Automobile Co., Ltd.
34 - ENGINE IMMOBILIZER
34–7
34
DIAGNOSIS & TESTING
Problem Symptoms Table
HINT:
Use the table below to help determine the cause of the problem. Check each suspected area in sequence.
Repair or replace the faulty components, or adjust as necessary.
Engine Immobilizer System Match
If the transponder, ECM or immobilizer control module is replaced, match the system again using diagnostic
tester. When matching the engine immobilizer system, please send the VIN of the vehicle to After-Sales
Service Department of Chery International to get the safety code.
The operation procedures are as follows:
1. Connect the X-431 3G diagnostic tester to the Data Link Connector (DLC).
2. Turn ignition switch to ON.
3. Turn the X-431 3G diagnostic tester on, then select
"T21".
4. Select "IMMO".
Symptom Suspected Area See page
Immobilizer system causes the engine
cannot start or immobilizer system has
failed
Ignition key (transponder)
37-58
Immobilizer coil 34-20
Wire harness or connector -
Immobilizer control module 34-26
Electronic fuel injection system -
ECM 06-256
S16
M12
A13
A13A
A21FL-C
B16
S15
M16
T21
Menu
System
Help
File
PgUp
PgDn
Reset
Back
RT21340020
BCM
Menu
System
Help
File
PgUp
PgDn
Reset
Back
SRS
ENG
ABS
ISU
ICM
ITM
A/T
IMMO
RT21340030
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