SYMPTOM TROUBLESHOOTING CHART [MULTIPLE COMMUNICATION SYSTEM (EXCEPT L3)]


id0903c3812700

Malfunction

Possible Cause

Action

• The ABS HU/CM does not respond to the WDS or equivalent.
• Malfunction in International Standards Organization (ISO) 9141 network circuit or connection error
• ABS HU/CM
• The SAS control module does not respond to the WDS or equivalent.
• Malfunction in ISO 9141 network circuit or connection error
• SAS control module
• The Generic Electronic Module (GEM) does not respond to the WDS or equivalent.
• Malfunction in ISO 9141 network circuit or connection error
• Generic electronic module (GEM)
• Instrument cluster does not respond to the WDS or equivalent.
• Malfunction in the standard corporate protocol (SCP) network circuit or connection error
• Instrument cluster
• The PCM does not respond to the WDS or equivalent.
• Malfunction in SCP network circuit or connection error
• PCM
• ISO 9141 network does not establish communication.
• Malfunction in ISO 9141 network circuit or connection error
• ISO 9141 network module
• The SCP network does not establish communication.
• Malfunction in SCP network circuit or connection error
• SCP network module
• Module/network does not establish communication.-Power is not supplied to the WDS or equivalent.
• DLC-2
• Central junction box (CJB) fuse
• Circuit
• WDS or equivalent