KEYLESS ENTRY SYSTEM PRELIMINARY INSPECTION


BHE090369000W01

• Perform the following preliminary inspection before troubleshooting.

STEP

INSPECTION

ACTION

1
• Is an after-market system installed?
Yes
Perform troubleshooting according to after-market keyless entry system manual.
No
Go to the next step.
2
• Did the customer activate the keyless entry system with the key inserted into the steering lock?
Yes
Go to the next step.
No
• Explain to the customer that the system does not work with the key inserted into the steering lock.
• Go to the next step.
3
• Did the customer use the keyless entry system in particular area, such as being near TV towers, power plants, power lines, or factories?
Yes
Attempt to lock/unlock the doors with the transmitter in a non-interference area.

If system operates:

• Area of operation is suspect. Explain effect of outside interference on the transmitter to the customer.

If system does not operate:

• Go to the next step.
No
Go to the next step.
4
• Are any of the following after-market electrical parts on the vehicle?
– Cellular phone
– Radio-wave equipment
– Remote engine starter
– TV, etc.
Yes
Disconnect the after-market electrical part connectors and attempt to lock/unlock the doors with the transmitter.

If system operates:

• The after-market electrical parts are interfering with the keyless entry system.

If system does not operate:

• Go to the next step.
No
Go to the next step.
5
• Perform the on-board diagnostic function.
• Does the on-board diagnostic function work?
Yes
Go to the next step.
No
• Go to Step 1 of NO. 1 ONE OR MORE ON-BOARD DIAGNOSTIC FUNCTIONS INOPERATIVE.
• Go to Step 1 of NO. 2 ALL ON-BOARD DIAGNOSTIC FUNCTIONS INOPERATIVE.
6
• Attempt to reprogram the transmitter ID code.
• Can the transmitter ID code be reprogrammed?
Yes
The system is normal.
No
Go to Step 1 of troubleshooting NO. 3 TRANSMITTER ID CODE CANNOT BE REPROGRAMMED.