TEST 5B - Checking Engine Node
NOTE:
For connector identification, see CONNECTOR IDENTIFICATION. For wiring diagram, see appropriate chassis wiring diagram in the WIRING DIAGRAMS Section. Perform VERIFICATION TEST 71A after each repair.
Using DRB-II, select module ENGINE NODE. If DRB-II displays NO RESPONSE, see VEHICLE COMMUNICATIONS TESTS. If DRB-II does not display NO RESPONSE, replace engine node.