Remote Start Inoperative-Antenna

REMOTE START INOPERATIVE-ANTENNA

For a complete wiring diagram REFER to DIAGRAMS/ELECTRICAL .

Theory of Operation


The customer may notice that the signal range of the Remote Keyless Entry (RKE) system is reduced. The RKE key fob may need to be closer than 3 meters (10 feet) before the functions available on the key fob will operate. This condition may be due to the RKE antenna. The diagnostic flow chart is provide as a diagnostic aid for dealer technician.


Diagnostic Test


1. LOCK/UNLOCK FUNCTION
NOTE: For all RKE tests, the key must be out of the ignition.

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

Yes


- Go To 2


No


- Perform Power Lock/Unlock System diagnosis.


2. RKE FUNCTION AT 20 FEET
Does the RKE Function at 20 feet?

Yes


- Go To 3


No


- Go To 4
-


3. RKE FUNCTION AT 100 FEET
Does the RKE Function at 100 feet?

Yes


- Test complete.


No


- Replace the antenna.


4. WCM/WIN DTCS
Does the WCM/WIN display any DTCs?

Yes


- Repair the DTC(s).


No


- Go To 5


5. RKE FUNCTION INSIDE VEHICLE
Sit inside the vehicle.
Push the Key Fob RKE Lock/Unlock buttons.
Does the RKE Lock/Unlock work?

Yes


- Go To 6


No


- Go To 9


6. ANTENNA COAX CABLE NOT PROPERLY CONNECTED
Pull on the Antenna COAX cable connector at the WIN.
Did the connector come off without releasing the lock tab (not properly seated)?

Yes


- Connect Antenna.
- Go To 2


No


- Go To 7


7. VERIFY COAX CONNECTION AT WIN
Pull Antenna connector off WIN. Verify no bent pins.
Are there any bent pins?

Yes


- Replace antenna.
- Go To 2


No


- Go To 8


8. PINCHED WIRE
Inspect the ANTENNA Lead COAX Cable for a pinched wire.
Has the COAX cable been pinched or damaged?

Yes


- Replace antenna.
- Go To 2


No


- Perform WIN diagnostics.


9. RKE FUNCTION INSIDE VEHICLE
Disconnect the Antenna COAX Cable lead connector to WIN.
Sit inside the vehicle. Push the RKE Key Fob Lock/Unlock buttons.
Does the RKE Lock/Unlock work?

Yes


- Replace the antenna.


No


- Go To10


10. CHECK FOR 12 VOLTS AT WIN
Connect the Antenna Lead to WIN.
Disconnect the WIN harness connector.
Using the appropriate wiring diagrams, check for Fused B+ at the WIN harness connector.
Is Fused B+ present?

Yes


- Perform WIN diagnostics.


No


- Repair the appropriate circuits.