IMPROPER SKE OPERATION CAUSED BY POWER INVERTERS

Applicable Models

Model Starting S/N Ending S/N Model Spec
  CX7 2007-2007   000000   ZZZZZZ   W/SMART KEYLESS
  CX9 2007-2007   000000   ZZZZZZ   W/SMART KEYLESS
  MAZDA6 2006-2007   000000   ZZZZZZ   W/SMART KEYLESS
  MIATA 2006-2006   000000   ZZZZZZ   W/SMART KEYLESS
  MX5 2007-2007   000000   ZZZZZZ   W/SMART KEYLESS
  RX8 2006-2007   000000   ZZZZZZ   W/SMART KEYLESS

Related Category/Subcategory/Symptoms

BODY AND ACCESSORY / KEYLESS ENTRY TROUBLESHOOTING / IMPROPER OPERATION
BODY AND ACCESSORY / SECURITY AND LOCKS / DOES NOT TURN ON/WARNING LIGHT
BODY AND ACCESSORY / OTHER / DOES NOT TURN OFF/WARNING LIGHT
BODY AND ACCESSORY / POWER SYSTEMS / IMPROPER INDICATION
BODY AND ACCESSORY / SECURITY AND LOCKS / OTHERS

MTOL - 5543 Dealer Repair Information

Symptom and Conditions

When an aftermarket power inverter is plugged into a switched power port 
in a vehicle equipped with Smart Keyless Entry it can cause a temporary  
malfunction of the system.                                               
                                                                         
Example of the symptoms:                                                 
                                                                         
1. With all doors closed, when the ignition is cycled to run and back to 
lock the "key" light in the instrument panel will not light red or green 
when the ignition push switch is pressed.                                
2. After symptom #1, if on, the audio unit will stay powered on.         
3. After symptom #1, if the driver's door is opened the red "key" light  
will flash.                                                              
4. After symptom #3, if the driver exits the vehicle with the card key,  
and the door is closed, the exterior advanced keyless system warning     
will double one or more times.                                           
5. After symptom #4, all remote transmitter and door lock request        
functions are inoperative.                                               
6. During the failure the PWR_ACC PID in the RKE module will display ON. 
          


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