Hitachi ZW180 Technical Manual page 88

Transmission Failure Indicator Control
Purpose: To light the transmission failure indicator on
the monitor unit for protection of the trans-
mission in case of disorder of parts likely to
cause damage to the transmission
Operation: In case any of the parts shown in the right
becomes out of order, MC transmits the
signal to the monitor unit and lights the
transmission failure indicator.
Monitor
Transmission
Failure Indicator
SYSTEM / Control System
MC ECM
Monitor
Unit
F
N
R
FNR Lever FNR Switch
T2-1-46
•
Torque converter input speed sensor
•
Torque converter output speed sensor
•
Vehicle speed sensor
•
Transmission middle shaft sensor
•
FNR lever
•
FNR switch
Engine
F
N
R
Torque
Transmission
Converter
Input
Speed
Sensor
Torque
Converter
Output
Speed
Sensor
Vehicle Speed
Transmission Sensor
Middle Shaft Sensor
T4GD-02-01-006