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Home >> Jeep >> 2002 >> Wrangler X, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0136: 1/2 O2 Sensor Heater Circuit Malfunction >> Monitored & Set Conditions
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Monitored & Set Conditions

1/2 Heated Oxygen Sensor (HO2S) heater voltage is monitored with Ignition on and battery voltage greater than 10.4 volts. DTC will set in if the state of the PCM relay control circuit, between the PCM and relay coil does not match the desired state.

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