Fig. 3.3 Inverter Unit (pump motor) Circuit
(1.0- to 1.8-ton Trucks (excluding those with an Orbitrol steering system))
Truck model selection switch status
Model
selection
option 1
Model
selection
option 2
1-ton class Opened Opened
2-ton class Connected Connected
3-ton class Connected Connected
* Connected: To be connected to the
signal wire GND.
The direction of current
at the time of the steering
wheel being turned
clockwise.
* Short-circuit “SIG” and “-“
terminals of the sensor not
in use.
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