Symptom Chart
SYMPTOM CHART (COMMUNICATIONS NETWORK)
| Condition |
Possible Sources |
Action |
- The smart junction box (SJB) does not respond to the diagnostic tool
|
- Circuit or connection in the international standards organization (ISO) 9141 communications network
- Battery junction box (BJB) fuse 3 (40A)
- SJB
|
|
- The restraints control module (RCM) does not respond to the diagnostic tool
|
- Circuit or connection in the international standards organization (ISO) 9141 communications network
- RCM
|
|
- The anti-lock brake system (ABS) module does not respond to the diagnostic tool
|
- Circuit or connection in the international standards organization (ISO) 9141 communications network
- ABS module
|
|
- The four-wheel drive (4WD) control module does not respond to the diagnostic tool
|
- Circuit or connection in the international standards organization (ISO) 9141 communications network
- 4WD control module
|
|
- The instrument cluster does not respond to the diagnostic tool
|
- Circuit or connection in the controller area network (CAN)
- Instrument cluster
|
|
- The powertrain control module (PCM) does not respond to the diagnostic tool
|
- Circuit or connection in the standard corporate protocol (SCP) communications network
- PCM
|
|
- No controller area network (CAN) communication
|
- Circuit or connection in the CAN
- CAN module (instrument cluster only)
|
|
- No standard corporate protocol (SCP) communications network communication
|
- Circuit or connection in the SCP communications network SCP communications network module (powertrain control module [PCM] only)
|
|
- No international standards organization (ISO) 9141 communications network communication
|
- Circuit or connection in ISO 9141 communications network ISO 9141 communications network modules
|
|
- No module/network communication - no power to the diagnostic tool
|
- Data link connector (DLC) Battery junction box (BJB) fuse 3 (40A) Smart junction box (SJB) fuse 29 (20A) Circuitry Diagnostic tool
|
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