Symptom Chart

WARNING: This page is about a different car, the 2010 Lincoln MKX and 2010 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

Condition	Possible Sources	Action
The vehicle does not start with the scan tool connected to the Data Link Connector (DLC) and/or multiple malfunction indicators are only on when the scan tool is connected to the DLC .	Wiring, terminals or connectors Scan tool	GO to PINPOINT TEST X .
The PCM does not respond to the scan tool	Wiring, terminals or connectors PCM	REFER to the INTRODUCTION - GASOLINE MODELS , pinpoint test QA before proceeding to Pinpoint Test A . If pinpoint test QA has been completed, GO to PINPOINT TEST A .
The ABS module does not respond to the scan tool	Fuse Wiring, terminals or connectors ABS module	GO to PINPOINT TEST B .
The Restraints Control Module (RCM) does not respond to the scan tool	Fuse Wiring, terminals or connectors Case ground open RCM .	GO to PINPOINT TEST C .
The 4X4 control module does not respond to the scan tool	Fuse Wiring, terminals or connectors 4X4 control module	GO to PINPOINT TEST D .
The Occupant Classification System Module (OCSM) does not respond to the scan tool	Fuse Wiring, terminals or connectors OCSM	GO to PINPOINT TEST E .
The Headlamp Control Module (HCM) does not respond to the scan tool	Fuse Wiring, terminals or connectors HCM	GO to PINPOINT TEST F .
The Steering Angle Sensor Module (SASM) does not respond to the scan tool	Fuse Wiring, terminals or connectors SASM	GO to PINPOINT TEST G .
The Instrument Cluster (IC) does not respond to the scan tool	Fuse Wiring, terminals or connectors IC	GO to PINPOINT TEST H .
The Smart Junction Box (SJB) does not respond to the scan tool	Fuse Wiring, terminals or connectors SJB .	GO to PINPOINT TEST I .
The HVAC module does not respond to the scan tool	Fuse Wiring, terminals or connectors HVAC module	GO to PINPOINT TEST J .
The Audio Control Module (ACM) does not respond to the scan tool	Fuse Wiring, terminals or connectors ACM .	GO to PINPOINT TEST K .
The audio Digital Signal Processing (DSP) module does not respond to the scan tool	Fuse Wiring, terminals or connectors Audio DSP module	GO to PINPOINT TEST L .
The Satellite Digital Audio Receiver System (SDARS) module does not respond to the scan tool	Fuse Wiring, terminals or connectors SDARS module	GO to PINPOINT TEST M .
The Liftgate/Trunk Module (LTM) does not respond to the scan tool	Fuse Wiring, terminals or connectors LTM	GO to PINPOINT TEST N .
The Driver Seat Module (DSM) does not respond to the scan tool	Fuse Wiring, terminals or connectors DSM .	GO to PINPOINT TEST O .
The Global Positioning System Module (GPSM) does not respond to the scan tool	Fuse Wiring, terminals or connectors GPSM	GO to PINPOINT TEST P .
The Dual Climate Controlled Seat Module (DCSM) does not respond to the scan tool	Fuse Wiring, terminals or connectors DCSM	GO to PINPOINT TEST Q .
The Parking Aid Module (PAM) does not respond to the scan tool	Fuse Wiring, terminals or connectors PAM	GO to PINPOINT TEST R .
The Accessory Protocol Interface Module (APIM) does not respond to the scan tool	Fuse Wiring, terminals or connectors APIM .	GO to PINPOINT TEST S .
Intermittent no Medium Speed Controller Area Network (MS-CAN) communication, one or more modules are not responding during network test	Wiring, terminals or connectors DLC	GO to PINPOINT TEST T .
No Medium Speed Controller Area Network (MS-CAN) communication, all modules are not responding	Wiring, terminals or connectors DLC ACM . APIM . Audio DSP module (if equipped) DCSM (if equipped) DSM (if equipped) GPSM (if equipped) HVAC module (if equipped) IC LTM (if equipped) PAM (if equipped) SDARS module (if equipped) SJB .	GO to PINPOINT TEST U .
Intermittent no High Speed Controller Area Network (HS-CAN) communication, one or more modules are not responding during network test	Wiring, terminals or connectors DLC	GO to PINPOINT TEST V .
No High Speed Controller Area Network (HS-CAN) communication, all modules are not responding	Wiring, terminals or connectors DLC 4X4 control module (if equipped) ABS module APIM . HCM (if equipped) IC OCSM PCM RCM . SASM (if equipped)	GO to PINPOINT TEST W .
No power to the scan tool	Fuse Wiring, terminals or connectors Data Link Connector (DLC) Scan tool	GO to PINPOINT TEST X .