0214-16 Service Bulletin/Repair Instructions

02 14-16
1
02 14-16
SUBJECT
DATE
SPN 521013 (MCM) (GHG17
February 2016
Additions, Revisions, or Updates

Publication Number / Title

DDC-SVC-MAN-0191
Platform
Section Title
Change
DD Platform

- GHG17
SPN 521013/FMI 31 GHG17
This is a new section.
All information subject to change without notice.
02 14-16
Copyright © 2016 DETROIT DIESEL CORPORATION
3
2 SPN 521013/FMI 31 - GHG17
2
SPN 521013/FMI 31 - GHG17
Symmetric Injection Mode Expected

Table 1.

SPN 521013/FMI 31

Description
Symmetric Injection Mode Expected
Monitored Parameter
Injector Duration Ratio
Typical Enabling Conditions
Injector Duration Ratio greater than 0.5
Monitor Sequence
Engine Load greater than 20% and less than 100%, Engine Speed

Gradient less than or equal to 200 rpm
Execution Frequency
Five Seconds, Two Times in one Drive Cycle
Typical Duration

Dash Lamps
MIL
Engine Reaction
None
Verification
Check as follows:

1. Are any of the following faults present?

• SPN 651/FMI any

• SPN 652/FMI any

• SPN 653/FMI any

• SPN 654/FMI any

• SPN 655/FMI any

• SPN 656/FMI any

• SPN 2797/FMI any

• SPN 2798/FMI any

• SPN 1072/FMI any

• SPN 1073/FMI any

a. Yes; troubleshoot that fault code first.

b. No; Go to step 2.

2. Disconnect both injector harness 14-pin connectors. Inspect the fuel injector harness 14-pin connector for bent or

spread pins; inspect the connector seal for damage (signs of water or oil intrusion). Was an issue found?

a. Yes; repair as needed. Clear fault and release to customer.

b. No; clear fault and release to customer.
4
All information subject to change without notice.
Copyright © 2016 DETROIT DIESEL CORPORATION 02 14-16

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