Skyjack SJ1044 TH - 10 No Boom Up, Front Steer Mode Only; 11 Front Steer Mode Only; 12 No 4 W (Round) Steer Mode; 13 No Crab Steer Mode

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SJ1044 TH, SJ1044 THS, SJ1056 TH, SJ1056 THS, SJ1256 THS
230790ABA
Electrical System Section 4 – Troubleshooting Information
3. Loose or broken wire 216 from connector P13 pin
4 to 2nd solenoid connector P12 pin 1.
Check continuity. Replace if defective.
4. Loose or broken wire 00 from 1st solenoid
connector P12 pin 2 to ground.
Check continuity. Replace if defective.
5. Defective 2nd solenoid. Replace solenoid.
6. Defective transmission shifter. Replace shifter
4.2-10 No Boom Up, Front Steer Mode Only.
1. Fuse F3 open Check for defective wiring. Replace fuse
2. Loose or broken 05A wire from fuse F3 to 31 pin
Chassis harness connector J31 pin 17, boom up
end of stroke relay 19CR pin 30, and steer mode
select switch SW3 pin 2.
Check continuity. Replace if defective.
4.2-11 Front Steer Mode Only
1. Loose or broken 05A wire from fuse F3 to steer
mode select switch SW3 pin 2.
Check continuity. Replace if defective.
2. Defective Steer mode switch SW3 Replace if Defective
4.2-12 No 4W (Round) Steer Mode
1. Defective Steer mode switch SW3 Replace if Defective
2. Loose or broken wire 218 from SW3 pin 3 to 31 pin
chassis harness connector J31 pin 12
Check continuity. Replace if defective.
3. Loose or broken wire 218 from connector P31 pin
12 to 4W solenoid connector J20 pin 1
Check continuity. Replace if defective.
4. Loose or broken 00 wire from 4W solenoid
connector J20 pin 2 to ground.
Check continuity. Replace if defective.
5. Defective 4W solenoid Replace if Defective
4.2-13 No Crab Steer Mode
1. Defective Steer mode switch SW3 Replace if Defective