Symptom Chart

SYMPTOM CHART

Condition	Possible Sources	Action
The PCM does not respond to the scan tool	Wiring, terminals or connectors PCM	REFER to the appropriate INTRODUCTION- GASOLINE MODELS article, 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 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 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 HVAC module does not respond to the scan tool	Fuse Wiring, terminals or connectors HVAC module	Go to Pinpoint Test L .
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 M .
No medium speed controller area network (MS-CAN) communication, all modules are not responding	Wiring, terminals or connectors APIM (if equipped) ACM HVAC module (if equipped) FCIM FDIM IC SDARS module SJB	Go to Pinpoint Test N .
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 O .
No high speed controller area network (HS-CAN) communication, all modules are not responding	Wiring, terminals or connectors ABS module IC OCSM PCM RCM	Go to Pinpoint Test P .
No power to the scan tool	Fuse Wiring, terminals or connectors Scan tool	Go to Pinpoint Test Q .