Fusion FWD V6-3.5L (2010)
No
REPAIR the circuit in question. CONNECT the negative battery cable. CLEAR the DTCs. REPEAT the network test with the scan tool.
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J4 CHECK FOR CORRECT BECM OPERATION
NOTE: Do not disconnect the high voltage cables or connectors in the following step.
-
Disconnect the BECM LOW VOLTAGE connectors.
-
Check for:
-
corrosion
-
damaged pins
-
pushed-out pins
-
Connect the BECM LOW VOLTAGE connectors and make they seat correctly.
-
Operate the system and verify the concern is still present.
-
Is the concern still present?
Yes
INSTALL a new BECM. REFER to Hybrid Drive Systems. 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 K: The Air Conditioning Compressor Module (ACCM) Does Not Respond To The Scan
Tool
Communications Network
Pinpoint Tests
Pinpoint Test K: The Air Conditioning Compressor Module (ACCM) Does Not Respond To The Scan Tool
Refer to Wiring Diagram Set 14 (Fusion/Milan/MKZ, Fusion Hybrid/Milan Hybrid), Module Communications Network for schematic and connector
information. See: Diagrams/Electrical Diagrams/Diagrams By Number
Refer to Wiring Diagram Set 55 (Fusion/Milan/MKZ, Fusion Hybrid/Milan Hybrid), Automatic Climate Control System for schematic and connector
information. See: Diagrams/Electrical Diagrams/Diagrams By Number
Normal Operation
The Air Conditioning Compressor Module (ACCM) communicates with the scan tool through the Medium Speed Controller Area Network (MS-CAN).
This pinpoint test is intended to diagnose the following:
-
Fuse
-
Wiring, terminals or connectors
-
ACCM
PINPOINT TEST K: THE ACCM DOES NOT RESPOND TO THE SCAN TOOL
NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the
connector.
NOTE: Failure to disconnect the battery when instructed will result in false resistance readings. Refer to Battery.
