Heated Oxygen Sensor (Sensor 1) Inspection

Heated Oxygen Sensor (Sensor 1) Inspection
Check that HO2S 1 signal voltage referring to Step 2 and 3 of DTC P0131 / P0132: O2 Sensor (Bank 1 Sensor -1. Circuit Low Voltage / High Voltage and/or DTC P0151 / P0152: O2 Sensor (Bank 2 Sensor-1. Circuit Low Voltage / High Voltage. If signal voltage does not vary as specified, repair or replace.