Engine Cranks But Will Not Start - Skyjack SJ82 T Service Manual

Electrical System

4.2-4 Engine Cranks but Will Not Start

Deutz Diesel D2.9L
1. Loose or broken wire #54 from 94 pin ECU
connector, pin90 to 12 pin connector (P2), pin 9.
2. Loose or broken wire #54 from 12 pin connector
(J2) pin 9 to relay 56ACR.
3. Loose or broken wire #03 to circuit breaker CB3.
4. Circuit breaker CB3 tripped or defective.
5. Loose or broken wire #56 from CB3 to relay
56ACR.
6. Loose or broken wire #56A from relay 56ACR to
12 pin connector (J1) pin 4.
7. Loose or broken wire #56A from 12 pin
connector (P1) pin 4 to 94 pin ECU connector,
pin 26.
8. Loose or broken wire #56B from relay 56ACR to
12 pin connector (J1) pin 3.
9. Defective relay 56ACR.
10. Loose or broken wire #56B from 12 pin
connector (P1) pin 3 to fuel pump.
11. Loose or broken ground wire #00 from fuel pump
to battery B-.
12. Engine pre-heat circuit inoperative.
NOTE
For other engine related problems, consult engine manufacturer's manual.
Deutz Diesel D2011
1. Loose or broken wire #57B from relay 57ACR to
relay 57BCR (2 places).
2. Loose or broken wire #57A from relay 57ACR to
relay 57BCR.
3. Loose or broken wire #02 from base terminal
block to relay 57BCR.
SJ82 T, SJ86 T
Section 4 – Troubleshooting Information
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Reset breaker, check for defective wiring. Replace
if defective
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Check continuity through contacts of relay. Replace
if defective.
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Refer to Engine manufacturer's manual to
diagnose.
57BCR maintains power for start circuit before
engine starts and after oil pressure switch opens
to relay 57BCR1. Check wire #57B for continuity.
Replace if defective.
Check continuity. Replace if defective.
Check continuity. Replace if defective.
229040ABA
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