Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
2. With the scan tool, run a vehicle Scan Report, or record the Environmental Data related to the DTCs.
3. With the scan tool, erase all TBM2 DTCs.
4. Turn the ignition off for a minimum of 10.0 seconds.
5. Turn the ignition on.
6. Using the recorded Environmental Data and the When Monitored Conditions above, operate the vehicle in the conditions that set the DTC.
7. With the scan tool, read TBM2 DTCs.
  Did the DTC return?
  
  Yes
  - Go To 2
  No
  - Perform the appropriate INTERMITTENT CONDITION diagnostic procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
TEST THE GPS ANTENNA CABLE
1. Disconnect the Satellite/GPS Antenna cable at the Satellite Antenna.
2. Connect the appropriate Radio Diagnostic Tool to the GPS Antenna cable at the back of the TBM2.
  (special tool #9977-6-1, Adapter) or (special tool #9977-6-3, Adapter)
3. Connect the appropriate Radio Diagnostic Tool to the GPS Antenna cable at the GPS Antenna base.
  (special tool #9977-6-4, Jumper) or (special tool #9977-6-2, Jumper)
4. Measure the Resistance across the terminals on the tool.
  Is the resistance below 47.5 Ohms?
  
  Yes
  - Use the kit to locate the short, repair or replace the GPS Antenna cable as necessary.
    (special tool #9977-6, Kit, Radio Antenna Diagnostic)
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3
TELEMATICS BOX MODULE (TBM2)
1. Visually inspect the terminals on the TBM2.
2. Ensure the terminal is clean and free of any corrosion or damage.
  - Is the terminal free of corrosion and damage?
  Yes
  - Replace the TBM2 in accordance with the Service information. Refer to MODULE, GLOBAL TELEMATICS BOX, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Repair the terminal as necessary.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .