Circuit/System Verification

Note: Verify the correct replacement part number.

1. Ignition - On / Vehicle - In Service Mode
2. Verify that no DTCs are set.
   • B3119
   • B3120
   • B3121
   • If the DTC is set 

     Refer to: Diagnostic Trouble Code (DTC) List - Vehicle

   • Go to next step: If no DTC is set 
3. Verify the component specifications are correct: Keyless Entry Transmitter = Correct part - Key Part Number
   • If not correct 

     Replace the component: Keyless Entry TransmitterRefer to: Remote Control Door Lock and Theft Deterrent Transmitter Programming 

4. Verify the scan tool parameter: Exterior Driver Door Handle Switch/Exterior Passenger Door Handle Switch/Trunk Lid/Liftgate Window Exterior Unlatch Switch - Active/Inactive
   • If the parameter state does not change 

     Refer to: Exterior Door Handle Switch Malfunction

   • Go to next step: If the parameter state changes 
5. Keyless Entry Transmitter - All Doors Lock
6. Exterior Driver Door Handle Switch/Exterior Passenger Door Handle Switch/Trunk Lid/Liftgate Window Exterior Unlatch Switch - Open
   • If none of the components work properly 

     Refer to: Keyless Entry Transmitter - Circuit/System Testing

   • If some, but not all, components operate 

     Refer to: Antenna Malfunction - Circuit/System Testing

   • Go to next step: If all components operate 
7. All OK.