DTC P0733 GEAR 3 INCORRECT RATIO
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DTC P0733 GEAR 3 INCORRECT RATIO
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Judge NG when the expected present gear is
different from the actual gear.
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Secondary
Parameters
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Enable
Conditions
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Throttle
angle
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≥ 15°
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Vehicle
speed
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≥ 10
km/h (6 MPH)
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Range
switch
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“D”, “3”, “2” or “1”
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Upshift
or downshift events
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Not in
operation
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Always perform the diagnosis with less than
10 km/h (6 MPH) vehicle speeds.
Perform the diagnosis when the conditions
below are not completed for more than 40 milliseconds on normal control.
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1.
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Vehicle speed is more than 10 km/h
(6 MPH).
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2.
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Throttle sensor is more than a certain
angle.
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3.
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Shifted to “D”, “3”, “2” or “1” range,
and range signal is normal.
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4.
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More than 1 second passed after shift
change finished.
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Judgment
Value
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Malfunction
Criteria
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Threshold
Value
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GR/(3rd
gear ratio)
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> 110% or < 90%
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Where,
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GR = (Vehicle
speed sensor 1 output)/(Turbine shaft speed sensor output)
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Time Needed for Diagnosis:
3
seconds
Malfunction Indicator
Light Illumination:
Illuminates when malfunction occurs in
2 continuous driving cycles.
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•
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When the OK idling cycle was completed 40 times
in a row
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•
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When “Clear Memory” was
performed
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MALFUNCTION
INDICATOR LIGHT CLEAR CONDITION
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•
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When the OK driving cycle was completed 3 times
in a row
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•
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When “Clear Memory” was
performed
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None
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ECM OPERATION
AT DTC SETTING
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Memorize the freeze frame data. (For test
mode $02)
