Diagnostic Test

Does the Lock/Unlock function with the interior door switches?

Yes 

• Go to step  2.

No 

• Perform Power Lock/Unlock System diagnosis. Refer to DIAGNOSIS AND TESTING .

Does the RKE Function at 20 feet?

Yes 

• Go to step  3.

No 

• Go to step  4.

Does the RKE Function at 100 feet?

Yes 

• Test complete.

No 

• Replace the antenna in accordance with the Service Information.

Does the WCM/WIN display any DTCs?

Yes 

• Perform WCM/WIN diagnosis. Refer to RECEIVER, WIRELESS IGNITION NODE .

No 

• Go to step  5.

1. Sit inside the vehicle.
2. Push the Key Fob RKE Lock/Unlock buttons.

   Does the RKE Lock/Unlock work?

   Yes 

   • Go to step  6.

   No 

   • Go to step  9.

1. Pull on the Antenna COAX cable connector at the WCM/WIN.

   Did the connector come off without releasing the lock tab (not properly seated)?

   Yes 

   • Connect Antenna
   • Go to step  2.

   No 

   • Go to step  7.

1. Pull Antenna connector off WCM/WIN. Verify no bent pins.

   Are there any bent pins?

   Yes 

   • Replace antenna.
   • Go to step  2.

   No 

   • Go to step  8.

1. Inspect the ANTENNA Lead COAX Cable for a pinched wire.

   Has the COAX cable been pinched or damaged?

   Yes 

   • Replace antenna.
   • Go to step  2.

   No 

   • Perform WCM/WIN diagnosis. Refer to RECEIVER, WIRELESS IGNITION NODE .

1. Disconnect the Antenna COAX Cable lead connector to WCM/WIN.
2. Sit inside the vehicle. Push the RKE Key Fob Lock/Unlock buttons.

   Does the RKE Lock/Unlock work?

   Yes 

   • Replace the antenna.

   No 

   • Go to step  10.

1. Connect the Antenna Lead to WCM/WIN.
2. Disconnect the WCM/WIN harness connector.
3. Using the appropriate wiring diagrams, check for Fused B+ at the WCM/WIN harness connector.

   Is Fused B+ present?

   Yes 

   • Perform WCM/WIN diagnosis. Refer to RECEIVER, WIRELESS IGNITION NODE .

   No 

   • Repair the appropriate circuits.