ELECTRICAL SYSTEM
M6060, M7060, WSM
8-S53
(2) Trailer Brake (ITA Model)
Solenoid Valve
1) Connector Voltage
1. Remove the lead wire (brown) from the solenoid valve (1).
2. Turn the main key switch at ACC position and operate the
parking brake lever to OFF position.
3. Measure the voltage across the brown lead wire (2) and
chassis.
4. If the voltage differs from battery voltage, the wiring harness,
fuse, parking brake switch for trailer brake or main switch is
faulty.
2) Solenoid Valve
1. Disconnect the wire harness from solenoid (1).
2. Measure the resistance with an ohmmeter across the each
terminals on the solenoid (1).
3. If infinity is indicated, the solenoid valve is faulty.
9Y1210828ELS0097US0
[14] OPC (OPERATOR PRESENCE CONTROL) SYSTEM
Checking OPC System
• Disconnect the implement drive universal joint from the
PTO shaft, if the implement has mounted.
1. Sit on the seat.
2. Run the engine.
3. Shift the PTO clutch control switch to "ON". Make sure the
warning buzzer does not whistle.
4. Stand up from the seat.
5. The warning buzzer whistles about one second after standing
up. It whistles for 10 seconds.
9Y1210828ELS0098US0
Voltage
Brown lead wire –
Chassis
Approx. battery voltage
Resistance
Between solenoid
valve terminals
Approx. 8 Ω
(1) Solenoid Valve (2) Brown Lead Wire
(1) Seat Switch
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