Skyjack SJ61T Service Manual

Telescopic Boom Series
Models SJ61T & SJ66T
194312
December 2007 Page 117
Section 4 - Troubleshooting Information Service and Maintenance
4.1-11 Engine Cranks but Will Not Start (GM Dual Fuel)
NOTE
For additional engine troubleshooting refer to diagnostic trouble codes
for use with the check engine light.
1. Loose or broken red wire from battery positive to relay 2002CR.
- Check continuity. Replace if defective.
2. Loose or broken red/tan wire from ECU fuse F8 to relay 2002CR.
- Check continuity. Replace if defective.
3. Loose or broken white/ light blue wire from ECU connector pin #71 to relay 2002CR.
- Check continuity. Replace if defective.
4. Defective relay 2002CR.
- Check relay. Replace if defective.
5. Loose or broken pink/dark green wire from relay 2002CR to ignition fuse F10.
- Check continuity. Replace if defective.
6. Defective fuse F10.
- Check fuse. Replace if defective.
7. Loose or broken pink/dark green wire from fuse F10 to ignition coil IGC1 pin #A.
- Check continuity. Replace if defective.
8. Loose or broken yellow wire from ignition coil IGC1 pin #B to ignition module IGM1.
- Check continuity. Replace if defective.
9. Defective ignition coil IGC1.
- Check coil for spark. Replace if defective.
10. Loose or broken pink/dark green wire from fuse F10 to ignition module IGM1 pin #A.
- Check continuity. Replace if defective.
11. Loose or broken black wire from ignition module IGM1 pin #C to engine ground.
- Check continuity. Replace if defective.
12. Loose or broken yellow wire from ignition module IGM1 pin #B to ECU connector pin #31.
- Check continuity. Replace if defective.
13. Defective ignition module IGM1.
- Check module for operation. Replace if defective.
14. Loose or broken pink/dark green wire from fuse F10 to gas injectors GI-1, GI-2, GI-3 and GI-4.
- Check continuity. Replace if defective.
15. Loose or broken pink/white wire from ECU connector pin #82 to throttle actuator RA1.
- Check continuity. Replace if defective.
16. Loose or broken tan/orange wire from ECU connector pin #83 to throttle actuator RA1.
- Check continuity. Replace if defective.
17. Loose or broken light green/red wire from ECU connector pin #19 to throttle actuator RA1.
- Check continuity. Replace if defective.
18. Loose or broken black/light green wire from ECU connector pin #20 to throttle actuator RA1.
- Check continuity. Replace if defective.
19. Loose or broken light blue/dark blue wire from ECU connector pin #6 to throttle actuator RA1.
- Check continuity. Replace if defective.
20. Loose or broken purple/light blue wire from ECU connector pin #5 to throttle actuator RA1.
- Check continuity. Replace if defective.
Fuel Related Problems
(Gasoline Only)
21. Loose or broken pink/tan wire from fuse F7 to fuel pump relay 56CR.
- Check continuity. Replace if defective.
22. Loose or broken red wire from battery positive to fuel pump relay 56CR.
- Check continuity. Replace if defective.

Skyjack SJ61T Specifications

General

Brand	Skyjack
Model	SJ61T
Category	Lifting Systems
Language	English