HOLDEN GEN III V8, Обучение по обслуживанию

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GEN III V8 ENGINE MANAGEMENT
DTC P0123 Throttle Position Sensor Circuit High Voltage
DTC P0123 Sensor Circuit
Conditions for running DTC P0123
• The ignition is ON or the engine is running.
Conditions for setting DTC P0123
• The TP sensor signal voltage is greater than 4.8 volts.
• Conditions present for at least ten seconds.
Action taken when DTC P0123 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.
• The PCM uses a default TP sensor value.
• The Transmission TCC will not apply.
• High transmission line pressure.
• Fixed transmission shift points, hard shifts and no fourth gear in hot mode.
Conditions for clearing the Check Powertrain Lamp and DTC P0123
• The PCM turns the Check Powertrain Lamp OFF when the diagnostic runs and does not fail.
• A last test failed (current DTC) clears when the diagnostic runs and does not fail.
DTC P 1 1 2 1 Throttle Position Sensor Circuit Intermittent High Voltage
Conditions for running DTC P 1 1 2 1
• The ignition is on.
Conditions for setting DTC P 1 1 2 1
• The TP sensor voltage is greater than 4.8 volts.
Action taken when DTC P 1 1 2 1 Sets
• The PCM stores the DTC information into memory when the diagnostic runs and fails.
• The Check Powertrain Lamp will not be illuminated.
• 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 DTC P 1 1 2 1
• A last test failed (Current DTC) will clear when the diagnostic runs and does not fail.
DTC P 1 1 2 2 Throttle Position Sensor Circuit Intermittent Low Voltage
Conditions for running DTC P 1 1 2 2
• The ignition switch is ON or the engine is running.
Conditions for setting DTC P 1 1 2 2
• The TP sensor voltage is less than 0.2 volts.
Action taken when DTC 1 1 2 2 Sets
• The PCM stores the DTC information into memory when the diagnostic runs and fails.
• The Check Powertrain Lamp will not be illuminate.
• 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 DTC P 1 1 2 2
• A last test failed (Current DTC) will clear when the diagnostic runs and does not fail.
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