Engine Cranks But Will Not Run; All Electrical Controls Inoperative - Skyjack SJ1044 TH Manual

Electrical System
19. Defective ignition switch SW1.
20. Loose or broken 57 wire from ignition switch SW1
to park brake switch SW2, pin 5
21. Defective park brake switch SW2.
22. Loose or broken 57A wire from park brake switch
SW2, pin 6 to transmission shift lever pin 5
23. Defective transmission shift lever
24. Loose or broken 57B wire from transmission shift
lever pin 6 to engine harness connector (J1) pin 8
25. Loose or broken 57B wire from engine harness
connector (P1) pin 8 to 94 pin ECU connector
(D2.2) pin 35

4.2-2 Engine Cranks But Will Not Run

26. Engine pre-heat circuit inoperative.

4.2-3 All Electrical Controls Inoperative

With following conditions:
Park brake will not release, all other dash switches and lights inoperative, joystick electrical switches
▪
inoperative, etc.
27. Defective ignition switch SW1.
28. Loose or broken wire 60 from ignition switch SW1
to power relay 60CR
29. Loose or broken wire 03 from B+ to power relay
60CR
30. Loose or broken wire 00 from power relay 60CR to
ground
SJ1044 TH, SJ1044 THS, SJ1056 TH, SJ1056 THS, SJ1256 THS
NOTE
For other engine related problems, consult
engine manufacturers' manual.
Section 4 – Troubleshooting Information
Check for voltage at ST terminal (wire 57) while in
start position. Replace if defective.
Check continuity. Replace if defective.
Check for voltage at pin 6 of switch SW2 (wire
57A) while in start position. Replace if defective.
Check continuity. Replace if defective.
Check for voltage at shift lever pin 5 while in start
position. Replace if defective
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Refer to Engine manufacturer's manual to
diagnose
Check for voltage at IGN terminal (wire 60) while
in run position. Replace if defective
Check continuity. Replace if defective.
Check continuity. Replace if defective
Check continuity. Replace if defective
230790ABA
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