Skyjack SJ519 TH, Service Manual, Page: 69 / 108

69
SJ519 TH 216942AC
Electrical System Section 4 – Troubleshooting Information
18. Defective transmission shifter Replace if defective
4.2-5 No Forward Drive
1. Loose or broken wire 15A from shifter pin 4 to shift
controller pin 36
Check continuity. Replace if defective
2. Loose or broken wire 15 from shift controller pin 36
to 4H-15 reverse solenoid
Check continuity. Replace if defective
3. Loose or broken wire 00 from reverse solenoid to
ground.
Check continuity. Replace if defective
4. Defective reverse solenoid. Replace solenoid
5. Defective drive controller. Replace if defective
6. Defective transmission shifter. Replace shifter
4.2-6 No Reverse Drive
1. Loose or broken wire 15A from shifter pin 4 to shift
controller pin 36
Check continuity. Replace if defective
2. Loose or broken wire 15 from shift controller pin 36
to 4H-15 reverse solenoid
Check continuity. Replace if defective
3. Loose or broken wire 00 from reverse solenoid to
ground
Check continuity. Replace if defective
4. Defective reverse solenoid Replace solenoid
5. Defective drive controller Replace if defective
6. Defective transmission shifter Replace shifter
4.2-7 Front Steer Mode Only, Fuel gauge inoperative
1. Fuse F3 open Check for defective wiring. Replace fuse
2. Loose or broken 05B wire from fuse F3 to fuel
gauge B+ post, and steer mode select switch SW4
pin 2
Check continuity. Replace if defective
4.2-8 Front Steer Mode Only
1. Loose or broken 05B wire from fuse F3 to steer
mode select switch SW4 pin 2
Check continuity. Replace if defective
2. Defective Steer mode switch SW4 Replace if Defective