Test 20, Check Crankshaft Sensor VBAT
With key on, connect LED test light between breakout box pins No. (+) J56 (VBAT S) and (-) J2 (IGND D). If test light illuminates, go to next test. If test light does not illuminate, check connectors. Repair or replace harness. Check for fault codes. If vehicle still does not start, go to next test.