Symptom Chart

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 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(s) Wiring, terminals or connectors IPC	GO to Pinpoint Test C .
The Occupant Classification System Module (OCSM) does not respond to the scan tool	Fuse Wiring, terminals or connectors OCSM	GO to Pinpoint Test D .
The Restraints Control Module (RCM) does not respond to the scan tool	Fuse Wiring, terminals or connectors RCM	GO to Pinpoint Test E .
The Accessory Protocol Interface Module (APIM) does not respond to the scan tool	Fuse Wiring, terminals or connectors APIM	GO to Pinpoint Test F .
The Remote Function Actuator (RFA) module does not respond to the scan tool	Fuse Wiring, terminals or connectors RFA module	GO to Pinpoint Test G .
The Front Control/Display Interface Module (FCDIM) does not respond to the scan tool	Fuse Wiring, terminals or connectors FCDIM	GO to Pinpoint Test H .
The Power Steering Control Module (PSCM) does not respond to the scan tool	Fuse Wiring, terminals or connectors PSCM	GO to Pinpoint Test I .
The Body Control Module (BCM) does not respond to the scan tool	Fuse Wiring, terminals or connectors BCM	GO to Pinpoint Test J .
The Audio Front Control Module (ACM) does not respond to the scan tool	Fuse Wiring, terminals or connectors ACM	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 Transmission Control Module (TCM) does not respond to the scan tool	Fuse Wiring, terminals or connectors TCM	GO to Pinpoint Test M .
The Tire Pressure Monitor (TPM) /Vehicle Security Module (VSM) does not respond to the scan tool	Fuse Wiring, terminals or connectors TPM/VSM	GO to Pinpoint Test N .
No Medium Speed Controller Area Network (MS-CAN) communication, all modules are not responding	Wiring, terminals or connectors BCM FCDIM IPC RFA module (if equipped) TPM/VSM (if equipped)	GO to Pinpoint Test O .
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 PCM PSCM RCM RFA module (if equipped) TCM (if equipped)	GO to Pinpoint Test P .
No Infotainment Controller Area Network (I-CAN) communication, all modules are not responding	Wiring, terminals or connectors ACM APIM FCDIM GPSM	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 .