Engine Will Not Crank - Skyjack SJ82 T Service Manual

Section 4 – Troubleshooting Information

4.2-3 Engine Will Not Crank

From Base
1. Loose or broken wire #57A from base start
switch S5 to relay 57ACR (Deutz D2011 and GM
3.0l engines).
2. Defective base start switch S5.
From Platform
NOTE
Engine will not crank from platform with footswitch depressed.
1. Loose or broken wire #4 from emergency stop
switch S4 to start switch S6.
2. Defective start switch S6.
3. Loose or broken wire #57 from start switch S6 to
relay 08CR.
4. Defective relay 08CR.
5. Loose or broken wire #57A from relay 08CR to
plug B pin #14.
6. Loose or broken wire #57A in boom cable B or
its connectors.
7. Loose or broken wire #57A from plug B pin #14
to relay 57ACR in base control console (Deutz
D2011, GM 3.0L) or to base start switch S5
(Deutz TD2.9L).
From Platform or Base
With the following conditions:
Deutz Diesel D2.9L
▪
1. Loose or broken wire #57A from base start
switch S5 to 12 pin connector (J1) pin 8.
2. Loose or broken wire #57A from 12 pin
connector (P1) pin 8 to 94 pin ECU connector,
pin 35.
3. Loose or broken B+ wire from battery B+ to ECU
fuse connector P6 pin A.
4. ECU 30A fuse open or defective.
229040ABA
114
Check continuity. Replace if defective.
Check start switch. Replace if defective.
Check continuity. Replace if defective.
Check continuity through contacts of relay. Replace
if defective.
Check continuity. Replace if defective.
Check continuity through contacts of relay. Replace
if defective.
Check continuity. Replace if defective.
Check for continuity between pin #14 on cable B.
Check for loose or corroded connections on cable
connectors. Replace if wire is defective.
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Check for defective wiring. Replace if defective.
Replace fuse.
Electrical System
SJ82 T, SJ86 T