Expedition 2WD V8-5.4L (2009)
GO to U15.
No
For RETM equipped vehicles, Go To Pinpoint Test O. See: Pinpoint Test O: The Rear Entertainment Module (RETM) Does Not Respond To The Scan
Tool
For audio RCU equipped vehicles, Go To Pinpoint Test N. See: Pinpoint Test N: The Audio Rear Control Unit (RCU) Does Not Respond To The Scan
Tool
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U15 CHECK FOR RESTORED NETWORK COMMUNICATION
-
Disconnect: SDARS Module C3290.
-
Enter the following diagnostic mode on the scan tool: Network Test.
-
Repeat the network test.
-
Do all other modules pass the network test?
Yes
Go To Pinpoint Test M. See: Pinpoint Test M: The Satellite Digital Audio Receiver System (SDARS) Module Does Not Respond To The Scan Tool
No
For RETM equipped vehicles, Go To Pinpoint Test O. See: Pinpoint Test O: The Rear Entertainment Module (RETM) Does Not Respond To The Scan
Tool
For audio RCU equipped vehicles, Go To Pinpoint Test N. See: Pinpoint Test N: The Audio Rear Control Unit (RCU) Does Not Respond To The Scan
Tool
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U16 VERIFY VEHICLE EQUIPMENT - AUDIO DSP MODULE
-
Inspect the vehicle for an audio Digital Signal Processing (DSP) module.
-
Is the vehicle equipped with an audio DSP module?
Yes
GO to U17.
No
GO to U18.
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U17 CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE AUDIO DSP MODULE DISABLED
-
Disconnect: SJB Fuse 38 (20A) and 40 (20A).
-
Enter the following diagnostic mode on the scan tool: Network Test.
-
Repeat the network test.
-
Do all other modules pass the network test?
Yes
INSTALL the removed fuses. Go To Pinpoint Test L. See: Pinpoint Test L: The Audio Digital Signal Processing (DSP) Module Does Not Respond To
The Scan Tool
No
INSTALL the removed fuses. GO to U18.
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U18 VERIFY VEHICLE EQUIPMENT - DCSM
-
Inspect the vehicle for a Dual Climate Controlled Seat Module (DCSM).
