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 Q .
The PCM does not respond to the scan tool	Wiring, terminals or connectors PCM	REFER to the INTRODUCTION - GASOLINE MODELS article, Section 5, 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 Cluster (IC) does not respond to the scan tool	Fuse Wiring, terminals or connectors IC	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 Front Controls Interface Module (FCIM) does not respond to the scan tool	Fuse Wiring, terminals or connectors FCIM	GO to PINPOINT TEST G .
The Front Display Interface Module (FDIM) does not respond to the scan tool	Fuse Wiring, terminals or connectors FDIM	GO to PINPOINT TEST H .
The HVAC module does not respond to the scan tool	Fuse Wiring, terminals or connectors HVAC module	GO to PINPOINT TEST I .
The Smart Junction Box (SJB) does not respond to the scan tool	Fuse Wiring, terminals or connectors SJB	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 Global Positioning System Module (GPSM) does not respond to the scan tool	Fuse Wiring, terminals or connectors GPSM	GO to PINPOINT TEST L .
No Medium Speed Controller Area Network (MS-CAN) communication, all modules are not responding	Wiring, terminals or connectors ACM APIM (if equipped) FCIM FDIM GPSM (if equipped) HVAC module (if equipped) IC SJB	GO to PINPOINT TEST M .
Intermittent no Medium Speed Controller Area Network (MS-CAN) communication, one or more modules are not responding during network test.	Wiring, terminals or connectors	GO to PINPOINT TEST N .
No High Speed Controller Area Network (HS-CAN) communication, all modules are not responding	Wiring, terminals or connectors ABS module APIM (if equipped) IC OCSM PCM RCM	GO to PINPOINT TEST O .
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 P .
No power to the scan tool	Fuse Wiring, terminals or connectors Scan tool Data Link Connector (DLC)	GO to PINPOINT TEST Q .