Test A: Sensor Test

^ If Diagnostic trouble codes 8, 10, 13 and 15 are set: Check wiring (CKT 61) for an open. Check Connection at F6 (sensor return) of HVAC Programmer (see Schematic).
^ If Diagnostic trouble codes 8, 13, and 15 are set: Check wiring (CKT 61) between splice S283 and splice S251 for an open (see Schematic).
^ Ignition Switch: RUN

Test A: Sensor Test: