Transmission Fluid Pressure Switch Logic
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Transmission Fluid Pressure Switch Logic
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Gear
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TFP Switch States
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TFP SW1
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*TFP SW3
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TFP SW4
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TFP SW5
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Park
|
High
|
Low
|
Low
|
Low
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Reverse
|
Low
|
Low
|
Low
|
Low
|
Neutral
|
High
|
Low
|
Low
|
Low
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Drive 1st - Engine Braking
|
High
|
High
|
Low
|
Low
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Drive 1st
|
High
|
High
|
Low
|
High
|
Drive 2nd
|
High
|
Low
|
Low
|
High
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Drive 3rd
|
Low
|
High
|
Low
|
High
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Drive 4th
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High
|
High
|
Low
|
Low
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Drive 5th
|
Low
|
High
|
High
|
Low
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Drive 6th
|
High
|
Low
|
High
|
Low
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High = 12 V (Switch Open or Pressurized)
Low = 0 V (Switch Closed or No Pressure)
Note: All TFP switches are normally closed (NC)
*TFP switch 2 does not exist
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