Vibe FWD L4-1.8L VIN 8 (2004)
Information Bus: Description and Operation
Data Link Communications Description and Operation
The scan tool accesses the following data lines:
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The brake pressure control valve (BPMV), on vehicles with antilock brake systems.
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The powertrain control module (PCM).
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The Inflatable Restraint Sensing and Diagnostic Control Module (SDM).
The BLU/RED wire at cavity 7 of the data link connector (DLC) OBD 2 provides access to the BPMV, SDM, and to the PCM. The RED/BLK wire at
cavity 16 provides voltage to the scan tool. The WHT/BLK wire at cavity 4 and the BRN/RED wire at cavity 5 provides ground to the scan tool.
The data lines monitor the module for diagnostic purposes and for diagnostic trouble codes (DTCs).
