HOLDEN GEN III V8, Service Training

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GEN III V8 ENGINE MANAGEMENT
DTC P0107 Manifold Absolute Pressure Sensor Circuit Low Voltage
Conditions for running DTC P0107
• No TP or ECT sensor DTCs set.
• The engine is running.
• The TP angle is above 20% when the engine speed is greater than 1200 RPM.
OR
• The TP angle is below 18% when the engine speed is below 1000 RPM.
Conditions for setting DTC P0107
• The MAP sensor voltage is less than 0.10 volts.
• All conditions met for at least two seconds
Action taken when DTC P0107 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 P0107
• 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 P0108 Manifold Absolute Pressure Sensor Circuit High Voltage
Conditions for running DTC P0108
• No TP or ECT sensor DTCs set.
• The engine is running.
• The TP angle is above 20% when the engine speed is greater than 1000 RPM.
OR
• The TP angle is below 18% when the engine speed is below 1200 RPM.
Conditions for setting DTC P0108
• The MAP sensor voltage is greater than 4.3 volts.
• All conditions met for at least four seconds
Action taken when DTC P0108 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 P0108
• 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.
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