Frontier XE 4WD L4-2.4L (KA24DE) (1998)
EC-RRO2-01 Rear Heated Oxygen Sensor (Min. Voltage Monitoring) (Rear HO2S) (DTC: P0137)
Circuit Diagrams
Rear Heated Oxygen Sensor (Min. Voltage Monitoring) (Rear HO2S) (DTC: P0137)
Circuit Connectors
Response Monitoring