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.

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

Q: 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

Q: Does the RKE Function at 20 feet?

YES: Go To 3

NO: Go To 5

3. RKE FUNCTION AT 100 FEET

Q: Does the RKE Function at 100 feet?

YES: Test complete.

NO: Go To 4

4. COAX CABLE DAMAGED

Q: Has the antenna COAX cable been pinched or damaged?

YES: Replace the antenna.

NO: Contact STAR Center for assistance.

5. WCM DTCS

Q: Does the WCM display any DTCs?

YES: Perform WCM diagnosis.

NO: Go To 6

6. RKE FUNCTION INSIDE VEHICLE

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

Q: Does the RKE Lock/Unlock work?

YES: Go To 7

NO: Go To 10

7. ANTENNA COAX CABLE NOT PROPERLY CONNECTED

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

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

YES:
- Connect Antenna
- Go To 2

NO: Go To 8

8. VERIFY COAX CONNECTION AT WCM

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

Q: Are there any bent pins?

YES:
- Replace antenna.
- Go To 2

NO: Go To 9

9. PINCHED WIRE

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

Q: Has the COAX cable been pinched or damaged?

YES:
- Replace antenna.
- Go To 2

NO: Perform WCM diagnostics.

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

Q: Does the RKE Lock/Unlock work?

YES: Replace the antenna.

NO: Go To

11. CHECK FOR 12 VOLTS AT WCM

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

Q: Is Fused B+ present?

YES: Perform WCM diagnostics.
NO: Repair the appropriate circuits.