Test 56B - Checking Engine Node

NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION. For wiring diagram, see WIRING DIAGRAMS . Perform TEST VER-1 after each repair.

CAUTION: Always turn ignition switch to OFF position prior to disconnecting or connecting any module connector.

Using DRB, select module ENGINE NODE. If DRB displays NO RESPONSE, go to TEST 74A. If DRB does not display NO RESPONSE, replace engine node.