Test Y: No Communication With the Restraints Control Module

Y1:

Y2 - Y4:

Y5 - Y6:

Normal Operation
The scan tool communicates with the Restraints Control Module (RCM) monitors through the data link connector pin 7,70 (LB/WH).

Possible Causes
A no communication with the RCM fault can be caused by:
^ Wiring, terminals, or connectors.
^ A faulty Data Link Connector (DLC).
^ RCM is faulted.