Mariner 4WD L4-2.5L (2010)
Communications Network
Pinpoint Tests
Pinpoint Test T: No High Speed Controller Area Network (HS-CAN) Communication, All Modules Are Not Responding
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 23 (Escape/Mariner, Escape Hybrid/Mariner Hybrid), Electronic Engine Controls - 2.5L for schematic and connector
information. See: Diagrams/Electrical Diagrams/Diagrams By Number
Normal Operation
The High Speed Controller Area Network (HS-CAN) uses an unshielded twisted pair cable.
This pinpoint test is intended to diagnose the following:
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Fuse
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Wiring, terminals or connectors
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4X4 control module (if equipped)
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ABS module
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Air Conditioning Compressor Module (ACCM) (hybrid)
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Accessory Protocol Interface Module (APIM) (if equipped)
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Instrument Cluster (IC)
-
Occupant Classification System Module (OCSM)
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PCM
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Parking Aid Module (PAM) (if equipped)
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Power Steering Control Module (PSCM)
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Restraints Control Module (RCM)
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Battery Control Module (BCM) (hybrid)
-
Transmission Control Module (TCM) (hybrid)
PINPOINT TEST T: NO HS-CAN COMMUNICATION, ALL MODULES ARE NOT RESPONDING
NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the
connector.
NOTE: Most faults are due to connector and/or wiring concerns. Carry out a thorough inspection and verification before proceeding with the pinpoint
test. See: Initial Inspection and Diagnostic Overview/Module Configuration/Inspection and Verification
NOTE: Failure to disconnect the battery when instructed will result in false resistance readings. Refer to Battery.
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T1 CHECK THE DLC PINS FOR DAMAGE
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Ignition OFF.
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Inspect Data Link Connector (DLC) pins 6 and 14 for damage.
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Are DLC pins 6 and 14 OK?
Yes
GO to T2.
No
REPAIR the DLC as necessary. CLEAR the DTCs. REPEAT the network test with the scan tool.