DTC P0036, DTC P0037 &/Or DTC P0038: Notes

Code Definition

DTC P0036: Rear Heated Oxygen Sensor Heater Circuit Malfunction
DTC P0037: Rear Heated Oxygen Sensor Heater Circuit Low Input
DTC P0038: Rear Heated Oxygen Sensor Heater Circuit High Input

NOTE: Before performing any DIAGNOSTIC TEST, refer toWARNINGS, CAUTIONS and NOTES in DIAGNOSTIC TESTS .

NOTE: Testing individual components does not isolate shorts or opens. Perform all voltage tests using a Digital Volt-Ohmmeter Meter (DVOM) with a minimum 10-megohm input impedance, unless stated otherwise in test procedure. Use ohmmeter to isolate wiring harness shorts or opens.