GEN III V8 ENGINE MANAGEMENT
DTC P0134 Heated Oxygen Sensor Insufficient Activity Bank 1 Sensor 1
Conditions for running DTC P0134
• DTCs P0101,P0102, P0103, P 0 1 1 2 , P0113, P0117, P0118, P0121, P0122, P0123, P0335, P0336, P0351,
P0358, P1258,are not set.
• The ignition voltage is greater than 9.0 volts.
• The fuel system is operating in Closed Loop.
• The engine run time is greater than 70 seconds.
• The engine coolant temperature is greater than 48°C.
Conditions for setting DTC P0134
• The H02S signal voltage is steady between 350 mV and 550 mV.
• The conditions are present for at least 70 seconds.
Action taken when DTC P0134 Sets
• The PCM illuminates the Check Powertrain Lamp when the diagnostic runs and fails.
• The PCM records the operating conditions at the time the diagnostic fails. The PCM stores this information
in the Freeze Frame/Failure Records.
• Open Loop Fueling.
Conditions for clearing the Check Powertrain Lamp and DTC P0134
• The PCM turns the Check Powertrain Lamp OFF after one ignition cycle that the diagnostic runs and does
not fail.
• A last test failed (current DTC) clears when the diagnostic runs and does not fail.
DTC P0135 Heated Oxygen Sensor Heater Circuit Bank 1 Sensor 1
Conditions for running DTC P0135
• DTCs P 0 1 0 1 , P0102, P0103, P 0 1 1 2 , P0113, P0117, P 0 1 1 8 , P 0 1 2 1 , P0122, P0123, P0335, P0336, P0351,
P0158, P1258 are not set.
• The intake air temperature and the engine coolant temperature are less than 50° C and are within 8°C of
each other at engine start-up.
• The ignition voltage is between 10.0 volts and 18.0 volts.
• The engine air flow is less than 18g/s.
Conditions for setting DTC P0135
• The H02S voltage remains between 300 mV and 700 mV for a predetermined amount of time (depends on
engine coolant temperature and air flow).
Action taken when DTC P0135 Sets
• The PCM illuminates the Check Powertrain Lamp when the diagnostic runs and fails.
• The PCM records the operating conditions at the time the diagnostic fails. The PCM stores this information
in the Freeze Frame/Failure Records.
Conditions for clearing the Check Powertrain Lamp and DTC P0135
• The PCM turns the Check Powertrain Lamp OFF after one ignition cycle that the diagnostic runs and does
not fail.
• A last test failed (current DTC) clears when the diagnostic runs and does not fail.
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Содержание GEN III V8
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