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Keyless Entry System Preliminary Inspection [Keyless Entry System]

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
KEYLESS ENTRY SYSTEM PRELIMINARY INSPECTION CHART

STEP INSPECTION ACTION
1
  • Is system an after-market one?
 Yes Perform troubleshooting according to after-market keyless entry system Service Information.
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 key in key cylinder.
  • Switch the ignition to off, 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: 
  • Go to next step.
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: 
  • Go to next step.
No Go to next step.
5 Yes Go to next step.
No
  • Go to Step 1 of NO. 1 ONE OR MORE ON-BOARD DIAGNOSTIC FUNCTIONS INOPERATIVE
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
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