DTC Detection Logic
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P1721 |
VEHICLE SPEED SIGNAL (Vehicle Speed Signal Circuit) |
1 |
Diagnosis condition |
Vehicle speed detected by the output speed sensor is 20 km/h (13 MPH) or more (Only when starts after the ignition switch is turned ON) |
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Signal |
-- |
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Threshold |
Vehicle speed transmitted from the combination meter to TCM is 5 km/h (3 MPH) or less |
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Diagnosis delay time |
-- |
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2 |
Diagnosis condition |
Vehicle speed transmitted from the combination meter to TCM is 36 km/h (23 MPH) or more and the vehicle speed detected by the output speed sensor is 24 km/h (15 MPH) or more |
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Signal |
-- |
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Threshold |
Vehicle speed detected by the output speed sensor does not decrease despite the 36 km/h (23 MPH) or more of deceleration in vehicle speed received from the combination meter |
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Diagnosis delay time |
-- |
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