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Pinpoint Test M: The Satellite Digital Audio Receiver System (SDARS) Module Does Not Respond To The Scan Tool

WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
  1. M1 CHECK THE SDARS MODULE VOLTAGE SUPPLY CIRCUIT FOR AN OPEN 
    • Key in OFF position.
    • Disconnect: SDARS ModuleC2400
    • Key in ON position.
    • Measure the voltage between the SDARS module C2400-9, circuit SBP14 (BN/RD), harness side and ground.
      • Fig 1: Measuring Voltage
      GF0018311Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    1. YES  : Go to  M2.
    2. NO  : VERIFY the smart junction box (SJB) fuse 14 (10A) is OK. If OK, REPAIR the circuit in question. CLEAR the DTCs. REPEAT the network test with the scan tool.
  2. M2 CHECK THE SDARS MODULE GROUND CIRCUIT FOR AN OPEN 
    • Key in OFF position.
    • Measure the resistance between the SDARS module C2400-3, circuit GD115 (BK/GY), harness side and ground.
      • Fig 2: Measuring Resistance
      GF0018312Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  M3.
    2. NO  : REPAIR the circuit. CLEAR the DTCs. REPEAT the network test with the scan tool.
  3. M3 CHECK THE MS-CAN CIRCUITS BETWEEN THE SDARS MODULE AND THE DATA LINK CONNECTOR (DLC) FOR AN OPEN 
    • Measure the resistance between the SDARS module C2400-1, circuit VDB06 (GY/OG), harness side and the DLC C251-3, circuit VDB06 (GY/OG), harness side.
      • Fig 3: Checking MS-CAN Circuit For Open
      GF0018313Courtesy of FORD MOTOR CO.
    • Measure the resistance between the SDARS module C2400-7, circuit VDB07 (VT/OG), harness side and the DLC C251-11, circuit VDB07 (VT/OG), harness side.
      • Fig 4: Checking MS-CAN Circuit For Open
      GF0018314Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    1. YES  : Go to  M4.
    2. NO  : REPAIR the circuit in question. CLEAR the DTCs. REPEAT the network test with the scan tool.
  4. M4 CHECK FOR CORRECT SDARS MODULE OPERATION 
    • Disconnect all the SDARS module connectors.
    • Check for:
      • corrosion
      • damaged pins
      • pushed-out pins
    • Connect all the SDARS module connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    1. YES  : INSTALL a new SDARS module. REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. CLEAR the DTCs. REPEAT the network test with the scan tool.
    2. NO  : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the network test with the scan tool.
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