Circuit Diagram

Item

Detecting Condition

Possible Cause

Case 1

DTC Strategy

•

Rationality(Too high)

•

Open or shrot in signal circuit

•

Open in power circuit

•

Open in ground circuit

•

Faulty Output speed sensor

•

Faulty TCM

Enable Conditions

•

Battery Voltage > 10V

Threshold Value

•

Output speed (NAB) Output speed >= 6000RPM

Case 2

DTC Strategy

•

Rationality

Enable Conditions(1)

•

Battery Voltage > 10V

•

Position Lever D, B, L

•

State of the brake Off

•

Vehicle Speed > 25km/h

•

Throttle opening > 15%

•

Engine speed > 3000RPM

•

Pre-Filtering 1 sec

Threshold Value(1)

•

Output speed (NAB) Output speed = 0 & Current gear = 1, L, B

Enable Conditions(2)

•

Battery Voltage > 10V

•

Position Lever D, B

•

State of the brake Off

•

Input speed > 1800RPM

•

Engine speed > 3000RPM

•

Pre-Filtering 1 sec

Threshold Value(2)

•

Output speed (NAB) Output speed = 0 & Current gear = 2

Enable Conditions(3)

•

Battery Voltage > 10V

•

Position Lever D

•

State of the brake Off

•

Input speed > 1200RPM

•

Engine speed > 3000RPM

•

Pre-Filtering 1 sec

Threshold Value(3)

•

Output speed (NAB) Output speed = 0 & Current gear = 3

Enable Conditions(4)

•

Battery Voltage > 10V

•

Position Lever D

•

State of the brake Off

•

Input speed > 700RPM

•

Engine speed > 3000RPM

•

Pre-Filtering 1 sec

Threshold Value(4)

•

Output speed (NAB) Output speed = 0 & Current gear = 4

Enable Conditions(5)

•

Battery Voltage > 10V

•

Position Lever D

•

State of the brake Off

•

Input speed > 800RPM

•

Engine speed > 3000RPM

•

Pre-Filtering 1 sec

Threshold Value(5)

•

Output speed (NAB) Output speed = 0 & Current gear = 5

Enable Conditions(6)

•

Battery Voltage > 10V

•

Position Lever D, B, L

•

Output speed before dropping > 1200RPM

•

Input speed > 1000RPM

•

Pre-Filtering 1 sec

Threshold Value(6)

•

Output speed gradient (nabg) Output speed gradient (during 20msec) > 600RPM

Diagnostic Time

•

More than 4.0 sec.

Fail Safe

•

Output speed from vehicle speed

•

Shift prevention over 4th gear

•

Prevention of manual shift

•

Prevention of pressure adaptation

•

Damper clutch off

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