11 Right Steer Inoperative; 12 Left Steer Inoperative - Skyjack SJ3219 Service Manual

Section 4 – Troubleshooting Information

4.2-11 Right Steer Inoperative

1. Control Module CM1 display is broadcasting an
error message.
2. Lift//Off/Drive switch S3 is set to an incorrect
mode.
3. Defective Right Steer switch S7-2.
4. Loose or broken wire #23 from Right Steer
switch S7-2 to Control Module CM1 pin #P3-8.
5. Loose or broken wire #23A from Control Module
CM1 pin #P5-8 to Right Steer valve coil 4H-23A.
6. Loose or broken wire #00 from Battery (-) to
Right Steer valve coil 4H-23A.
7. Defective Right Steer valve coil 4H-23A.
8. External or internal fault detected by Control
Module CM1.

4.2-12 Left Steer Inoperative

1. Control Module CM1 display is broadcasting an
error message.
2. Lift//Off/Drive switch S3 is set to an incorrect
mode.
3. Defective Left Steer switch S7-3.
212508ADA
91
Check Control Module display screen and follow
instructions to clear error.
Select Drive. Check switch. Replace if defective.
Check switch.
Check continuity between wire #08 and wire #23
on switch. (Right Steer signal)
Replace switch if no continuity when operating
switch.
Check continuity. Test for 24V Input voltage
between wire #23 and wire #00.
Use HMI Diagnostic menu to make sure input P3-8
signal is present.
Replace if defective.
Check continuity. Test for 24V Output voltage
between wire #23A and wire #00.
Use HMI Diagnostic menu to make sure output P5-8
signal is present.
Replace if defective.
Check continuity. Replace if defective.
Check continuity through coil. Replace if defective.
Check Control Module display screen. Use
Diagnostic Menu to see switch and sensor status.
Correct trouble code as displayed. Replace module
if defective.
Check Control Module display screen and follow
instructions to clear error.
Select Drive. Check switch. Replace if defective.
Check switch.
Check continuity between wire #08 and wire #24
on switch (Left Steer signal).
Replace switch if no continuity when operating
switch.
Electrical System
SJ3215, SJ3219