Actron Global OBD II Scan Tool 9620 Dokumentacja Pobierz pdf (Strona 7)

Open and Closed Loop Operation:

There are 7 different modes (conditions) that are used (besides Key-ON and Key-Off mode). Here is a

table of what sensors are monitored and what determines the mode. One thing to remember, under OPEN

LOOP Operation, the O2 Sensor(s) are ignored by the PCM.

Engine Start-Up Mode (OPEN LOOP)

Battery Voltage

Coolant Temp

Crank Position

Intake Air Temp (IAT)

MAP

TPS

Starter Motor Relay

Cam Position

Engine Warm-Up Mode (OPEN LOOP)

Battery Voltage

Coolant Temp

Crank Position

Intake Air Temp (IAT)

MAP

TPS

Cam Position

Park/Neutral Safety Switch (Automatics Only)

Idle mode (Once at Operating Temp: CLOSED

LOOP)

A/C Select (if equipped)

A/C Request (if equipped)

Battery Voltage

Coolant Temp

Crank Position

Intake Air Temp (IAT)

MAP

TPS

Cam Position

O2 Sensors

Park/Neutral Safety Switch (Automatics Only)

Cruise Mode (CLOSED LOOP)

A/C Select (if equipped)

A/C Request (if equipped)

Battery Voltage

Coolant Temp

Crank Position

Intake Air Temp (IAT)

MAP

TPS

Cam Position

O2 Sensors

Park/Neutral Safety Switch (Automatics Only)

Acceleration Mode (OPEN LOOP)

A/C Select (if equipped)

A/C Request (if equipped)

Battery Voltage

Coolant Temp

Crank Position

Intake Air Temp (IAT)

MAP

TPS

Cam Position

Vehicle Speed Sensor

Park/Neutral Safety Switch (Automatics Only)

Deceleration Mode (OPEN LOOP)

A/C Select (if equipped)

A/C Request (if equipped)

Battery Voltage

Coolant Temp

Crank Position

Intake Air Temp (IAT)

MAP

TPS

Cam Position

Park/Neutral Safety Switch (Automatics Only)

Vehicle Speed Sensor

Wide Open Throttle - WOT (OPEN LOOP)

Battery Voltage

Coolant Temp

Crank Position

Intake Air Temp (IAT)

MAP

TPS

Cam Position

1 2 3 4 5 6 7 8 9 10 11 12 ... 44 45

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Actron Global OBD II Scan Tool 9620 Dokumentacja Strona 7

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