Symptom Chart

WARNING: This page is about a different car, the 2012 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

Condition	Possible Sources	Action
The vehicle will not start with the scan tool connected to the DLC and/or multiple malfunction indicators are on only while the scan tool is connected to the DLC.	DLC ground Wiring, terminals or connectors Scan tool	GO to PINPOINT TEST R .
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 Instrument Panel Cluster (IPC) does not respond to the scan tool	Fuse Wiring, terminals or connectors IPC	GO to PINPOINT TEST C .
The Restraints Control Module (RCM) does not respond to the scan tool	Case ground open Fuse Wiring, terminals or connectors RCM	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 Smart Junction Box (SJB) does not respond to the scan tool	Fuse Wiring, terminals or connectors SJB	GO to PINPOINT TEST F .
The Body Control Module B (BCM-B) does not respond to the scan tool	Fuse Wiring, terminals or connectors BCM-B	GO to PINPOINT TEST G .
The HVAC module does not respond to the scan tool	Fuse Wiring, terminals or connectors HVAC module	GO to PINPOINT TEST H .
The Audio Control Module (ACM) does not respond to the scan tool	Fuse Wiring, terminals or connectors ACM	GO to PINPOINT TEST I .
The Front Controls Interface Module (FCIM) does not respond to the scan tool	Fuse Wiring, terminals or connectors FCIM	GO to PINPOINT TEST J .
The Front Display Interface Module (FDIM) does not respond to the scan tool	Fuse Wiring, terminals or connectors FDIM	GO to PINPOINT TEST K .
The Global Positioning System Module (GPSM) does not respond to the scan tool	Fuse Wiring, terminals or connectors GPSM	GO to PINPOINT TEST L .
The Accessory Protocol Interface Module (APIM) does not respond to the scan tool	Fuse Wiring, terminals or connectors APIM	GO to PINPOINT TEST M .
The Power Steering Control Module (PSCM) does not respond to the scan tool	Fuse Wiring, terminals or connectors PSCM	GO to PINPOINT TEST N
The Parking Aid Module (PAM) does not respond to the scan tool	Fuse Wiring, terminals or connectors PAM	GO to PINPOINT TEST O
No Medium Speed Controller Area Network (MS-CAN) communication, all modules are not responding	Wiring, terminals or connectors APIM (if equipped) ACM BCM-B FCIM FDIM HVAC module (if equipped) IPC (gateway module) SJB	GO to PINPOINT TEST P .
No High Speed Controller Area Network (HS-CAN) communication, all modules are not responding	Wiring, terminals or connectors ABS module APIM (if equipped) IPC OCSM PAM PCM PSCM RCM	GO to PINPOINT TEST Q .
No power to the scan tool	Fuse Wiring, terminals or connectors Scan tool Data Link Connector (DLC)	GO to PINPOINT TEST R .