Skyjack SJ63 AJ+ Service Manual

164
SJ63 AJ+, SJ63 AJ229043AAA
Section 4 – Troubleshooting Information Electrical System - CE & AS
4.3-46 Mid Throttle Inoperative
1. Loose or broken wire #08 from platform terminal
block to throttle switch S10.
Check continuity. Replace if defective.
2. Open or defective diode D08. (Generator option
only)
Check diode. Replace if defective.
3. Defective throttle switch S10. Check continuity through switch while activating
mid throttle function between wires #08 and #79. If
no continuity found replace switch.
4. Loose or broken wire #79 from throttle switch
S10 to plug B pin #20 in platform control
console.
Check continuity. Replace if defective.
5. Loose or broken wire #79 in Cable B or its
connectors.
Check for continuity between pins #20 on cable B.
Check for loose or corroded connections on cable
connectors. Replace if wire is defective.
Deutz Diesel Only:
6. Loose or broken wire #79 from base plug B pin
#20 to relay 79CR.
Check continuity. Replace if defective.
7. Loose or broken wire #02 from base terminal
block to relay 79CR.
Check continuity. Replace if defective.
8. Loose or broken wire #99 from relay 79CR to
ECU connector pin #18.
Check continuity. Replace if defective.
9. Loose or broken wire #103 from relay 79CR to
base terminal block.
Check continuity. Replace if defective.
10. Loose or broken wire #103 from base terminal
block to ECU connector pin #17.
Check continuity. Replace if defective.
11. Defective relay 79CR. Check relay. Replace if defective.
GM Engine Only:
12. Loose or broken wire #79 from base plug B pin
#20 to engine harness plug.
Check continuity. Replace if defective
13. Loose or broken wire #79 from engine harness
plug to GM engine connector 2.
Check continuity. Replace if defective.
14. Loose or broken gray/dark blue wire from GM
engine connector to ECU connector pin #51.
Check continuity. Replace if defective.
15. Loose or broken purple/light blue wire from ECU
connector pin #5 to throttle actuator RA1.
Check continuity. Replace if defective.
16. Defective throttle actuator RA1. Check actuator. Replace if defective.
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Skyjack SJ63 AJ+ Specifications

General

Brand	Skyjack
Model	SJ63 AJ+
Category	Boom Lifts
Language	English