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Contents Wiring diagrams Section: Module Communications Network: Diagnosis All sections

Symptom Chart Ford Fusion I facelift

Module Communications Network: Diagnosis

Symptom Chart

ConditionPossible SourcesAction
The PCM does not respond to the scan toolWiring, terminals or connectors PCMREFER to the Introduction - Gasoline Engines article, pinpoint test QA before proceeding to Pinpoint Test A. If pinpoint test QA has been completed, go to Pinpoint Test A .
The transmission control module (TCM) does not respond to the scan toolFuse Wiring, terminals or connectors TCMGo to Pinpoint Test B .
The ABS module does not respond to the scan toolFuse Wiring, terminals or connectors ABS moduleGo to Pinpoint Test C .
The restraints control module (RCM) does not respond to the scan toolFuse Wiring, terminals or connectors Case ground open RCMGo to Pinpoint Test D .
The 4X4 control module (if equipped) does not respond to the scan toolFuse Wiring, terminals or connectors 4X4 control moduleGo to Pinpoint Test E .
The occupant classification system module (OCSM) does not respond to the scan toolFuse Wiring, terminals or connectors OCSMGo to Pinpoint Test F .
The instrument cluster (IC) does not respond to the scan toolFuse Wiring, terminals or connectors ICGo to Pinpoint Test G .
The smart junction box (SJB) does not respond to the scan toolFuse Wiring, terminals or connectors SJBGo to Pinpoint Test H .
The heating ventilation air conditioning (HVAC) module (if equipped) does not respond to the scan toolFuse Wiring, terminals or connectors HVAC moduleGo to Pinpoint Test I .
The parking aid module (PAM) does not respond to the scan toolFuse Wiring, terminals or connectors PAMGo to Pinpoint Test J .
The audio control module (ACM) does not respond to the scan toolFuse Wiring, terminals or connectors ACMGo to Pinpoint Test K .
The audio digital signal processing (DSP) module not respond to the scan toolFuse Wiring, terminals or connectors DSP moduleGo to Pinpoint Test L .
The satellite digital audio receiver system (SDARS) module does not respond to the scan toolFuse Wiring, terminals or connectors SDARS moduleGo to Pinpoint Test M .
The driver door module (DDM) does not respond to the scan toolFuse Wiring, terminals or connectors DDMGo to Pinpoint Test N .
The driver seat module (DSM) does not respond to the scan toolFuse Wiring, terminals or connectors DSMGo to Pinpoint Test O .
The dual climate control seat module (DCSM) does not respond to the scan toolFuse Wiring, terminals or connectors DCSMGo to Pinpoint Test P .
The accessory protocol interface module (APIM) does not respond to the scan toolFuse Wiring, terminals or connectors APIMGo to Pinpoint Test Q .
No medium speed controller area network (MS-CAN) communication, all modules are not respondingWiring, terminals or connectors APIM (if equipped) ACM DSP module (if equipped) DDM (if equipped) DSM (if equipped) DCSM (if equipped) HVAC module (if equipped) IC PAM (if equipped) SDARS module (if equipped) SJBGo to Pinpoint Test R .
Intermittent no medium speed controller area network (MS-CAN) communication, one or more modules are not responding during network testWiring, terminals or connectorsGo to Pinpoint Test S .
No high speed controller area network (HS-CAN) communication, all modules are not respondingWiring, terminals or connectors ABS module APIM (if equipped) IC OCSM PCM RCM TCM 4X4 control module (if equipped)Go to Pinpoint Test T .
Intermittent no high speed controller area network (HS-CAN) communication, one or more modules are not responding during network testWiring, terminals or connectorsGo to Pinpoint Test U .
No power to the scan toolFuse Wiring, terminals or connectors Scan toolGo to Pinpoint Test V .

Symptom Chart