Symptom Chart

WARNING: This page is about a different car, the 2009 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

Condition	Possible Sources	Action
The PCM does not respond to the scan tool	Fuse Wiring, terminals or connectors PCM	Go To PINPOINT TEST A .
The Occupant Classification System Module (OCSM) does not respond to the scan tool	Fuse Wiring, terminals or connectors OCSM	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 Satellite Digital Audio Receiver System (SDARS) module does not communicate with the scan tool or no Medium Speed Controller Area Network (MS-CAN) communication	Fuse Wiring, terminals or connectors SDARS module	Go To PINPOINT TEST J .
The Smart Junction Box (SJB) does not respond to the scan tool	Fuse Wiring, terminals or connectors SJB	Go To PINPOINT TEST D .
The Instrument Cluster (IC) does not respond to the scan tool	Fuse Wiring, terminals or connectors IC	Go To PINPOINT TEST E .
The 4X4 control module does not respond to the scan tool	Fuse Wiring, terminals or connectors 4X4 control module	Go To PINPOINT TEST F .
The ABS module does not respond to the scan tool or no ISO 9141 network communication	Fuse Wiring, terminals or connectors ABS module	Go To PINPOINT TEST G .
Intermittent no High Speed Controller Area Network (HS-CAN) communication, one or more modules are not responding during network test	Wiring, terminals or connectors	Go To PINPOINT TEST H .
No High Speed Controller Area Network (HS-CAN) communication, all modules are not responding	Fuse Wiring, terminals or connectors PCM RCM OCSM 4X4 control module IC SJB	Go To PINPOINT TEST I .
No power to the scan tool	Fuse Wiring, terminals or connectors Data Link Connector (DLC) Scan tool	Go To PINPOINT TEST K .