Symptoms

Suspect Part

Refer to Page

3. Anti-theft Module

4. ECM

5. Instrument Cluster

6. Wiring Harness Connector

Anti-theft system can not detect the valid key.

1. Anti-theft Coil

-

2. Anti-theft Module

-

Keys do not match

1. Anti-theft Coil

-

2. Anti-theft Module

-

3. Key

-

ECM always detects Anti-theft malfunction

1. Wiring Harness and
Connector

Refer to 

2.5.7.12

 

Engine Anti-

theft Warning Lamp Flashing,
Vehicle Can Not Start

.

2. Anti-theft Module

3. ECM

2.5.7.7 Replaced Key Programming

Note

Refer to 2.5.7.12

 

Engine Anti-theft Warning Lamp Flashing, Vehicle Can Not Start.

Step 1

Insert a new key.

Next

Step 2

Turn the ignition switch to "ON" position.

Next

Step 3

Enter into the anti-theft system.

FE02-7002b

Engine

Engine Anti-theft System JL4G18-D

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Next

Note

Before enter the security code please contact the manufacturers technical department, as the Anti-theft computer will
be locked after the wrong security code entered seven consecutive times.

Step 4

Enter the security code.

Next

Step 5

Learn the key.

Next

Step 6

Key programming.

Next

Step 7

Place the ignition switch at "OFF" position and wait about 5 min or so.

Next

Step 8

New key learn successful.

2.5.7.8 Ignition Key Erase

Step 1

Insert a new key.

Next

Step 2

Turn the ignition switch to "ON" position.

Next

Step 3

Enter into the anti-theft system.

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Engine Anti-theft System JL4G18-D

Engine

Next

Step 4

Enter the security code.

Next

Step 5

Erase the key: select the recorded key location and erase. If you select all, all the keys will be removed.

Next

Step 6

Place the ignition switch at "OFF" position and wait about 5min or so.

Next

Step 7

Key erase successful .

2.5.7.9 Replaced Security Module Programming

Step 1

Insert a new key.

Next

Step 2

Turn the ignition switch to "ON" position.

Next

Step 3

Enter into the anti-theft system.

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Next

Step 4

Set security code.

Next

Step 5

Enter the security code (preset the four-digit security code).

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Next

Step 6

Read the security module from ECM.

Next

Step 7

Reprogram the keys. Refer to 

2.5.7.7

 

Replaced Key Programming

.

2.5.7.10 Replaced ECM Programming

Step 1

Insert a new key.

Next

Step 2

Turn the ignition switch to "ON" position.

Next

Step 3

Enter into the anti-theft system.

FE02-7002b

Next

Step 4

Enter the security code.

Next

Step 5

Read the anti-theft module 

to ECM.

2.5.7.11 Replaced Anti-theft Module and ECM Programming

Step 1

Insert a new key.

Next

Step 2

Turn the ignition switch to "ON" position.

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Engine