Mariner 4WD L4-2.5L (2010)
Yes
INSTALL a new PAM. REFER to Collision Avoidance and Parking Assist 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.
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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 (Escape/Mariner, Escape Hybrid/Mariner Hybrid), Module Communications Network for schematic and connector
information. See: Diagrams/Electrical Diagrams/Diagrams By Number
Refer to Wiring Diagram Set 55 (Escape/Mariner, Escape Hybrid/Mariner Hybrid), Automatic Climate Control System for schematic and connector
information. See: Diagrams/Electrical Diagrams/Diagrams By Number
NOTE: The Air Conditioning Compressor Module (ACCM) is present on hybrid vehicles only.
Normal Operation
The ACCM communicates with the scan tool through the High Speed Controller Area Network (HS-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.
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K1 CHECK THE ACCM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
-
Ignition OFF.
-
Disconnect: ACCM C1469a .
-
Ignition ON.
-
Measure the voltage between the ACCM C1469a-1, circuit CH401 (VT/WH), harness side and ground.
-
Is the voltage greater than 10 volts?
Yes