Kubota KX080-4 Workshop Manual page 400

KX080-4, WSM
[C] Testing with a Circuit Tester
(a) Main ECU connector
(b) 2-speed switch connector
• If connectors (c) (d) are removed, the engine will start but the machine will not operate.
1. Voltage check
[Measurement Conditions]
1. Disconnect the connector to be tested.
2. Key switch: ON
3. Measure the voltage based on the table below.
Mea-
sure- Connector Name (+ terminal side)
ment
(1) 2-speed switch
(2) 2-speed switch
(3) 2-speed solenoid
(4) 2-speed solenoid
• To check the solenoid line, put the machinery operation lever lock in the [Unlock] position and press the 2-speed
switch.
Regular: 12V
Irregular: Large discrepancy from 12V
(c) Engine (solenoid)
connector
(d) Main (solenoid) connector
Pin No.
<1>
<1>
<1>
<1>
(e) 2-speed solenoid connector A : Angle Specification
Connector Name (- terminal side)
2-speed switch
Body GND
2-speed solenoid
Body GND
4-S69
ELECTRICAL SYSTEM
B : Standard Spec
RY9212148ELS0158US0
Pin No.
<2>
–
<2>
–
RY9212148ELS0159US0
KiSC issued 08, 2015 A