| 1 |
- Is system an after-market one?
|
Yes |
Perform troubleshooting according to after-market keyless entry system manual. |
| No |
Go to next step. |
| 2 |
- Did customer activate keyless entry system when ignition switch was in LOCK position?
|
Yes |
Go to next step. |
| No |
- Explain to customer that system does not work when ignition is in ON position.
- Turn ignition switch to LOCK position, then go to next step.
|
| 3 |
- Did customer use keyless entry system in particular area, such as being near TV towers, power plants, power lines, or factories?
|
Yes |
Attempt to lock/unlock doors with transmitter in non-interference area.
If system operates:
- Area of operation is bad. Explain effect of outside interference on transmitter to customer.
If system does not operate:
|
| No |
Go to 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 after-market electrical part connectors and attempt to lock/unlock doors with transmitter.
If system operates:
- After-market electrical parts are interfering with keyless entry system.
If system does not operate:
|
| No |
Go to next step. |
| 5 |
|
Yes |
Go to next step. |
| No |
|
| 6 |
- Attempt to reprogram transmitter ID code.
- Can transmitter ID code be reprogrammed?
|
Yes |
System is normal now. |
| No |
Go to Step 1 of troubleshooting NO. 3 TRANSMITTER ID CODE CANNOT BE REPROGRAMMED
. |