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 K .
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 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	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 .
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 .
No power to the scan tool	Fuse Wiring, terminals or connectors DLC Scan tool	GO to PINPOINT TEST K .