142 RENR5042-02 Troubleshooting Section Test Step 1. Inspect the Electrical Connectors and the Wiring A. Turn the keyswitch to the OFF position. g01146109 Illustration 68 P1 terminals that are associated with the auxiliary temperature sensor (P1-5) Return (P1-16) Auxiliary temperature g01146245 Illustration 67 P2 ECM connector (P2-13) Engine coolant temperature (P2-30) Return (P2-56) Intake manifold air temperature (P2-62) Fuel temperature