RENR5042-02 115 Troubleshooting Section Test Step 1. Inspect the Electrical Connectors and the Wiring A. Turn the keyswitch to the OFF position. g01119741 Illustration 43 P1 ECM connector (P1-4) +8 VDC (digital sensor supply) (P1-5) Return g01121173 Illustration 42 Left side view (1) P61 customer connector (2) J1/P1 ECM connectors B. Thoroughly inspect connectors (1) and (2). Inspect the connectors for each digital sensor. Refer to Troubleshooting, “Electrical Connectors - Inspect” for details.