Diagnostic Test

CHECK FOR AN ACTIVE DTC
NOTE:
Verify that the vehicle's battery is fully charged with a DVOM and use the scan tool to compare the Battery Voltage listed under "Data" in the RFH View to that of the BCM. If the vehicle's battery is not fully charged, correct this condition before proceeding.
1. Turn the ignition on.
2. With the scan tool, read RF Hub DTCs and record on the repair order.
3. With the scan tool, read RF Hub DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
CHECK CONNECTIONS ON DECKLID SWITCH AND RADIO FREQUENCY MODULE
1. Check for loose, damaged or corroded connections on the boot lock switch or on the radio frequency control unit.
  Are there any loose or damaged connections?
  
  Yes
  - Repair the wiring connections as necessary.
  No
  - Go to 3.
CHECK THE (G78) DECKLID SWITCH SENSE WIRING ON DECKLID SWITCH AND RADIO FREQUENCY MODULE
1. Check for a short circuit to ground on boot lock switch and PIN 10, connector C2 of the radio frequency control unit.
  Is there a short circuit to ground in the wiring?
  
  Yes
  - Repair the wiring and connections as necessary insulation to ground.
  No
  - Go to 4.
RADIO FREQUENCY CONTROL UNIT OPERATION CHECK
1. Check that the radio frequency module is operating correctly.
  Is the operation of radio frequency module incorrect?
  
  Yes
  - Replace the Radio Frequency Hub (RF Hub) Module in accordance with the Service Information. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL AND INSTALLATION .
  - Perform the RADIO FREQUENCY HUB VERIFICATION TEST. Refer to RADIO FREQUENCY HUB (RF HUB) VERIFICATION TEST .
  No
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  - Test complete.