Ranger 2WD V6-4.0L (2010)
NOTE: When re-running the network test, the network test application must be first closed or the screen display reverts back to the prior run network
test results.
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Disconnect: SJB Fuse 8 (10A).
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Enter the following diagnostic mode on the scan tool: Network Test.
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Repeat the network test.
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Do all other modules pass the network test?
Yes
INSTALL the removed fuse. GO to H12.
No
INSTALL the removed fuse. An intermittent fault is not present. GO to Pinpoint Test A. See: Pinpoint Test A: The PCM Does Not Respond To The
Scan Tool
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H12 CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE OCSM DISCONNECTED
NOTE: When re-running the network test, the network test application must be first closed or the screen display reverts back to the prior run network
test results.
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Disconnect: Occupant Classification System Module (OCSM) C3159.
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Enter the following diagnostic mode on the scan tool: Network Test.
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Repeat the network test.
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Do all other modules pass the network test?
Yes
CONNECT the OCSM. GO to Pinpoint Test B. See: Pinpoint Test B: The Occupant Classification System Module (OCSM) Does Not Communicate
With the Scan Tool
No
CONNECT the OCSM. GO to Pinpoint Test C. See: Pinpoint Test C: The Restraints Control Module (RCM) Does Not Respond To The Scan Tool
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Pinpoint Test I: No High Speed Controller Area Network (HS-CAN) Communication, All Modules
Are Not Responding
Communications Network
Pinpoint Test
Pinpoint Test I: No High Speed Controller Area Network (HS-CAN) Communication, All Modules Are Not Responding
Refer to wiring Diagram Set 14, Module Communications Network for schematic and connector information.
Refer to wiring Diagram Set 25, Electronic Engine Controls - 4.0L for schematic and connector information.
Normal Operation
The High Speed Controller Area Network (HS-CAN) uses an unshielded twisted pair cable.
This pinpoint test is intended to diagnose the following:
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Fuse
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Wiring, terminals or connectors
