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DTC / Descrip‐ tion Monitor Strategy Descrip‐ tion Malfunction Crite‐ ria and Threshold Value Secondary Parame‐ ters with Enable Conditions Monitoring Time Length MIL Il‐ lum. Component Diag‐ nostic Procedure P0030 HO2S Heater Control Circuit Bank 1 Sensor 1 Oxygen Sensors Heater Front Open Cir‐ cuit • O2S upstream heater voltage lower range 1.92 – 2.21 V • O2S upstream heater voltage upper range 2.85 – 3.25 V • 2.5 s uous • 2 DCY – Check the Oxy‐ gen Sensor 1 Before Catalytic Converter - GX10- . Refer to P0031 HO2S Heater Control Circuit Low Bank 1 Sensor 1 Oxygen Sensors Heater Front Short To Ground • O2S upstream heater voltage lower range 1.92 – 2.21 V
• 2.5 s uous • 2 DCY – Check the Oxy‐ gen Sensor 1 Before Catalytic Converter - GX10- . Refer to P0032 HO2S Heater Control Circuit High Bank 1 Sensor 1 Oxygen Sensors Heater Front Short To Battery Voltage • O2S upstream heater driver temperature > 160.0 – 200.0° C • Or heater driver output current > 8.0 – 12.0 A • EGT @ O2S front >= -273° C • Actuator com‐ manded on • 2.5 s uous • 2 DCY – Check the Oxy‐ gen Sensor 1 Before Catalytic Converter - GX10- . Refer to P0036 HO2S Heater Control Circuit Bank 1 Sensor 2 Oxygen Sensors Heater Rear Open Cir‐ cuit • O2S down‐ stream heater voltage lower range 1.92 – 2.21 V • O2S down‐ stream heater voltage upper range 2.85 – 3.25 V • Engine not in start process • 2.5 s uous • 2 DCY – Check the Oxy‐ gen Sensor 1 Af‐ ter Catalytic Converter - GX7- . Refer to P0037 HO2S Heater Control Circuit Low Bank 1 Sensor 2 Oxygen Sensors Heater Rear Short To Ground • O2S down‐ stream heater voltage lower range 1.92 – 2.21 V • Engine not in start process • 2.5 s uous • 2 DCY – Check the Oxy‐ gen Sensor 1 Af‐ ter Catalytic Converter - GX7- . Refer to GTI 2014 ➤ Generic Scan Tool - Edition 04.2015 3. Diagnosis and Testing 49 |