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Electrical System Section 4 – Troubleshooting Information
5. Defective Joystick Enable switch S7-6.
Check switch.
Check continuity between wire #08 and wire #08A
on switch.
Replace Joystick if no continuity when operating
switch.
6. Defective joystick S7. Check joystick. Replace if defective.
7. Loose or broken wire #00B from Control Module
CM1 pin #P1-3 to Joystick S7 (0V reference)
Check continuity. Replace if defective.
8. Loose or broken wire #59 from Joystick S7 to
Control Module CM1 pin #P1-2. (analog output
signal)
Check continuity. Use HMI Diagnostic menu to
make sure proportional input P1-2 signal is present.
Replace if defective.
9. Loose or broken wire #08B from Control Module
CM1 pin #P1-1 to Joystick S7. (5V supply)
Check continuity. Replace if defective.
10. Loose or broken wire #15 from Control Module
CM1 pin #P5-3 to Reverse Drive valve coil 4H-15.
Check continuity. Test for 24V Output voltage
between wire #15 and wire #00.
Use HMI Diagnostic menu to make sure output P5-3
signal is present.
Replace if defective.
11. Loose or broken wire #00 from Battery (-) to
Reverse Drive valve coil 4H-15
Check continuity. Replace if defective.
12. Loose or broken wire #17 from Control Module
CM1 pin #P5-4 to Brake valve coil 3H-17.
Check continuity. Test for 24V Output voltage
between wire #17 and wire #00.
Use HMI Diagnostic menu to make sure output P5-4
signal is present.
Replace if defective.
13. Loose or broken wire #00 from Battery (-) to
Brake valve coil 3H-17
Check continuity. Replace if defective.
14. Defective Reverse Drive valve coil 4H-15. Check continuity through coil. Replace if defective.
15. Defective Brake valve coil 3H-17. Check continuity through coil. Replace if defective.
16. External or internal fault detected by Control
Module CM1.
Check Control Module display screen. Use
Diagnostic Menu to see switch and sensor status.
Correct trouble code as displayed. Replace module
if defective.
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