Remote Start Inoperative-Antenna

REMOTE START INOPERATIVE-ANTENNA

For a complete wiring diagram Consult 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 5


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

Yes

- Test complete.

No

- Go to 4

4. COAX CABLE DAMAGED
Has the antenna COAX cable been pinched or damaged?

Yes

- Replace the antenna.

No

- Contact STAR Center for assistance.

5. WCM DTCS
Does the WCM display any DTCs?

Yes

- Perform WCM diagnosis.

No

- Go to 6

6. 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 7

No

- Go to 10

7. ANTENNA COAX CABLE NOT PROPERLY CONNECTED
Pull on the Antenna COAX cable connector at the WCM.
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
Pull Antenna connector off WCM. Verify no bent pins.
Are there any bent pins?

Yes

- Replace antenna.
- Go to 2

No

- Go to 9

9. 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 WCM diagnostics.

10. RKE FUNCTION INSIDE VEHICLE
Disconnect the Antenna COAX Cable lead connector to WCM.
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 11

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

Yes

- Perform WCM diagnostics.

No

- Repair the appropriate circuits.