93
SJ40 T+, SJ45 T+ 238273AAA
Electrical System Section 4 – Troubleshooting Information
4.2-11 No Boom Down from the Base Console
1. Loose or broken wire #10A from IGN switch S5
to boom switch S12
Check continuity. Replace if defective
2. Defective boom switch S12 Check continuity through switch while activating
boom down function between wires #10A and
#13B. Replace switch if no continuity
3. Loose or broken wire #13B from boom switch
S12 to base control module connector J2 pin 16
Check continuity. Replace if defective
4.2-12 No Boom Down from the Platform Console
1. Loose or broken wire #04 from platform terminal
block to joystick controller A1
Check continuity. Replace if defective
2. Loose or broken wire #02 from platform terminal
block to joystick controller A1
Check continuity. Replace if defective
3. No output on y-axis of joystick controller A1 Refer to joystick test procedure in section 5
4. Loose or broken wire “Y” from joystick controller
to J13 pin #15 of platform control module
Check continuity. Replace if defective
4.2-13 No Turret Rotate Right from the Base or Platform Consoles
1. Loose or broken wire #33 from base control
module connector J2 pin 24 base terminal block
to turret harness plug pin #11
Check continuity. Replace if defective
2. Loose or broken wire #33 from turret harness
plug pin #11 to boom up valve 4H-33
Check continuity. Replace if defective
3. Loose or broken wire #02 from turret harness
plug to boom up valve 4H-33
Check continuity. Replace if defective
4. Defective boom up coil 4H-33 Check continuity and resistance through coil.
Replace if defective
4.2-14 No Turret Rotate Right from the Platform Console
1. Loose or broken wire #32 from base control
module connector J2 pin 13 to turret harness
plug pin #10
Check continuity. Replace if defective
2. Loose or broken wire #32 from turret harness
plug pin #10 to turret rotate left valve 4H-32
Check continuity. Replace if defective
3. Loose or broken wire #02 from turret harness
plug to turret rotate left valve 4H-32
Check continuity. Replace if defective
4. Defective turret rotate left coil 4H-32 Check continuity and resistance through coil.
Replace if defective
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