Ranger 4WD V6-4.0L (2009)
CONNECT the negative battery cable. GO to J15.
No
GO to J13.
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J13 CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TO GROUND WITH THE AUDIO UNIT (ACM)
DISCONNECTED
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Disconnect: Audio Unit (ACM) C290c.
-
Measure the resistance between the DLC C251-3, circuit VDB06 (GY/OG), harness side and ground; and between the DLC C251-11, circuit
VDB07 (VT/OG), harness side and ground.
-
Are the resistances greater than 5,000 ohms?
Yes
CONNECT the negative battery cable. GO to J16.
No
REPAIR the circuit. CONNECT all modules. CONNECT the negative battery cable. CLEAR the DTCs. REPEAT the network test with the scan tool.
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J14 CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE AUDIO UNIT (ACM) DISCONNECTED
-
Disconnect: Audio Unit (ACM) C290c.
-
Enter the following diagnostic mode on the scan tool: Network Test.
-
Repeat the network test.
-
Is CAN communication restored to the SDARS MODULE?
Yes
CONNECT the audio unit (ACM). CONNECT the negative battery cable. GO to J16.
No
CONNECT the audio unit (ACM). CONNECT the negative battery cable. GO to J15.
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J15 CHECK FOR CORRECT SDARS MODULE OPERATION
-
Disconnect the SDARS module connector.
-
Check for:
-
corrosion
-
damaged pins
-
pushed-out pins
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Connect the SDARS module connector and make sure it seats correctly.
-
Operate the system and verify the concern is still present.
-
Is the concern still present?
Yes
INSTALL a new SDARS 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