Ranger 4WD V6-4.0L (2009)
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F4 CHECK FOR CORRECT 4X4 CONTROL MODULE OPERATION
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Disconnect all the 4X4 control module connectors.
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Check for:
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corrosion
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damaged pins
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pushed-out pins
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Connect all the 4X4 control module connectors and make sure they seat correctly.
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Operate the system and verify the concern is still present.
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Is the concern still present?
Yes
INSTALL a new 4X4 control module. CLEAR the DTCs. REPEAT the network test with the scan tool.
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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Pinpoint Test G: The ABS Module Does Not Respond To The Scan Tool or No ISO 9141 Network
Communication
Communications Network
Pinpoint Test
Pinpoint Test G: The ABS Module Does Not Respond To The Scan Tool or No ISO 9141 Network Communication
Refer to wiring Diagram Set 14, Module Communications Network for schematic and connector information. See: Diagrams/Electrical
Diagrams/Diagrams By Number
Normal Operation
The scan tool communicates with the ISO 9141 network through the Data Link Connector (DLC). The ABS module communicates with the scan tool
through the ISO 9141 communications network, circuit 70 (LB/WH).
This pinpoint test is intended to diagnose the following:
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Fuse
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Wiring, terminals or connectors
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ABS module
PINPOINT TEST G: THE ABS MODULE DOES NOT RESPOND TO THE SCAN TOOL OR NO ISO 9141 NETWORK
COMMUNICATION
NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the
connector.
NOTE: Most faults are due to connector and/or wiring concerns. Carry out a thorough inspection and verification before proceeding with the Pinpoint
Test. See: Initial Inspection and Diagnostic Overview/Communications Network/Inspection and Verification
NOTE: Failure to disconnect the battery when instructed will result in false resistance readings. Refer to Battery.
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G1 CHECK THE DLC PINS FOR DAMAGE
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Ignition OFF.
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Disconnect the scan tool from the DLC.
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Inspect DLC pin 7 for damage.
