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SJ1044 TH, SJ1044 THS, SJ1056 TH, SJ1056 THS, SJ1256 THS
230790ABA
Section 4 – Troubleshooting Information
Electrical System
6.
Loose or broken 00 wire from con boom angle
relay 212CR pin 85 to ground.
Check continuity. Replace if defective
7.
Defective relay 212CR.
Check continuity through contacts of relay (pin 30
to 87 with coil energized). Replace if defective.
8.
Loose or broken wire 221 from 31 pin connector
P31 pin 23 to frame angle sensor connector J105
pin 4
Check continuity. Replace if defective
9.
Frame angle sensor defective.
Replace if defective
4.2-16 No Frame Level
1.
Fuse F19 open
Check for defective wiring. Replace fuse
2.
Loose or broken 05T wire from F19 to frame level
enable relay 65CR pin 30
Check continuity. Replace if defective
3.
Loose or broken 05R wire from F5 fuse to boom
angle relay 212CR pin 30
Check continuity. Replace if defective
4.
Loose or broken wire 65 from chassis harness
splice 65 (D213B & D221 to wire 65 junction) to 4
pin connector P113 pin 3
Check continuity between unused RAS unlock
connector J75 pin 1 and 4 pin connector P113 pin
3. Replace if defective
5.
Loose or broken wire 65 from 4 pin connector J113
pin 3 to frame level enable relay 65CR pin 86
Check continuity. Replace if defective
6.
Loose or broken 00 wire 65 from frame level
enable relay 65CR pin 85 to ground
Check continuity. Replace if defective
7.
Defective relay 65CR.
Check continuity through contacts of relay (pin 30
to 87 with coil energized). Replace if defective.
8.
Loose or defective wire 65A from 65CR relay pin
87 to 28RCR and 28LCR relays pins 30.
Check continuity. Replace if defective
With following conditions:
▪
Boom Angle Below 40°
▪
Works Above 40°
1.
Defective relay 212CR.
Check continuity through contacts of relay (pin 30
to 87 with coil energized). Replace if defective
Содержание SJ1044 TH
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