Ranger 4WD V6-4.0L (2009)
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B9 CHECK THE 4X4 CONTROL MODULE
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Disconnect: 4X4 Control Module C281a.
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Measure the resistance between the SJB C2280c-2, circuit CPL12 (VT/OG), harness side and ground.
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Is the resistance greater than 10,000 ohms?
Yes
GO to B18.
No
REPAIR the circuit. TEST the system for normal operation.
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B10 CHECK THE RH FRONT DOOR AJAR SWITCH FOR A SHORT TO GROUND
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Disconnect: RH Front Door Ajar Switch C602.
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Enter the following diagnostic mode on the scan tool: SJB DataLogger.
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Monitor the SJB RH front door ajar switch PID (P_DR_SW).
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Did the door ajar PID change with the switch disconnected?
Yes
INSTALL a new door ajar switch. TEST the system for normal operation.
No
GO to B11.
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B11 CHECK CIRCUIT CPL31 (WH) FOR A SHORT TO GROUND
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Ignition OFF.
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Disconnect: SJB C2280d.
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Measure the resistance between the RH front door ajar switch C602-1, circuit CPL31 (WH), harness side and ground.
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Is the resistance greater than 10,000 ohms?
Yes
GO to B16.
No
REPAIR the circuit. TEST the system for normal operation.