HOLDEN GEN III V8, Обучение по обслуживанию

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GEN III V8 ENGINE MANAGEMENT
A failure in the TFP Switch Assembly or Circuits will set the following DTCs:
DTC P 1 8 1 0 TFP Valve Position Switch Circuit
Conditions for running DTC P1810
• No VSS assembly DTCs P0502 or P0503 are set.
• The system voltage is between 8-18 volts.
• The engine speed is greater than 300 RPM for at least 5 seconds.
• The engine is not in fuel cutoff.
• The engine torque is between 54-542 Nm.
• The Map reading is between 0-105 kPa.
Conditions for setting DTC P 1 8 1 0
• DTC P 1 8 1 0 sets if any of the following conditions occurs:
Condition 1
• The PCM detects an invalid TFP manual valve position switch state for 60 seconds.
Condition 2
• The engine speed is less than 80 RPM for 0.1 second; then the engine speed is 80-550 RPM for 0.07
second; then the engine speed is greater than 550 RPM.
• The vehicle speed is less than 3 km/h.
• The PCM detects a gear range of 2, D or R during an engine start.
• All conditions are met for at least 5 seconds.
Condition 3
• The TP angle is 8-45%.
• The PCM commands fourth gear.
• The TCC is locked ON.
• The speed ratio is 0.65-0.8 (speed ratio is engine speed divided by transmission output speed).
• The PCM detects a gear range of P or N when operating in D.
• All conditions are met for 1 0 seconds.
Action taken when DTC P 1 8 1 0 Sets
• The PCM illuminates the Check Powertrain Lamp during the second consecutive trip in which the conditions
for setting the DTC are met.
• The PCM commands D2 line pressure.
• The PCM commands a D4 shift pattern.
• The PCM freezes shift adapts from being updated.
• The PCM stores DTC P 1 8 1 0 in PCM history during the second consecutive trip in which the conditions for
setting the DTC are met.
Conditions for clearing the Check Powertrain Lamp and DTC P 1 8 1 0
• The PCM turns OFF the Check Powertrain Lamp during the trip in which the diagnostic test runs and
passes.
• The PCM clears the DTC from the PCM history if the vehicle completes 40 warm-up cycles without this or
another related diagnostic fault occurring.
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