Skyjack SJ63 AJ+ Service Manual

138
SJ63 AJ+, SJ63 AJ229043AAA
Section 4 – Troubleshooting Information Electrical System - CE & AS
13. Loose or broken red wire from battery positive to
starter fuse F12.
Check continuity. Replace if defective.
14. Defective fuse F12. Check fuse. Replace if defective.
15. Loose or broken red/tan wire from fuse F12 to
relay 57ACR.
Check continuity. Replace if defective.
16. Loose or broken white wire from relay 57ACR to
start solenoid 32BCR.
Check continuity. Replace if defective.
17. Defective starter solenoid 32BCR. Check solenoid. Replace if defective.
18. Loose or broken battery cable from starter
solenoid 32BCR to starter motor.
Check continuity. Replace if defective.
19. Defective starter motor. Check motor. Repair or replace if defective.
4.3-10 The 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.
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Skyjack SJ63 AJ+ Specifications

General

Brand	Skyjack
Model	SJ63 AJ+
Category	Boom Lifts
Language	English