Ranger 4WD V6-4.0L (2009)
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G4 CHECK THE ISO CIRCUIT FOR A SHORT TO VOLTAGE
NOTE: The ABS module must be disconnected for this test step to be accurate.
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Ignition ON.
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Measure the voltage between the DLC C251-7, circuit VDB10 (GY), harness side and ground.
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Is any voltage indicated?
Yes
REPAIR the circuit. CLEAR the DTCs. REPEAT the network test with the scan tool.
No
GO to G5.
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G5 CHECK THE ABS MODULE VOLTAGE SUPPLY CIRCUITS FOR AN OPEN
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Measure the voltage between the ABS module, harness side and ground as follows:
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Are the voltages greater than 10 volts?
Yes
GO to G6.
No
VERIFY the Battery Junction Box (BJB) fuses 17 (40A) and 33 (30A) and the SJB fuse 20 (10A) are OK. If OK, REPAIR the circuit in question. If not
OK, REFER to the Wiring Diagrams to identify the possible causes of the circuit short. CLEAR the DTCs. REPEAT the network test with the scan tool.
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G6 CHECK THE ABS MODULE GROUND CIRCUITS FOR AN OPEN
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Ignition OFF.
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Disconnect: Negative Battery Cable.
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Measure the resistance between the ABS module, harness side and ground as follows:
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Are the resistances less than 5 ohms?
Yes