Sxxx 0 - INJECTOR RESPONSE TIME LONG

TM 9-2320-364-20-1

2-14. DDEC III/IV TROUBLESHOOTING (CONT).

Section IV. TROUBLESHOOTING CHARTS (Cont.)

E. FLASH CODE:

J1587 CODE:

Sxxx 0 - INJECTOR RESPONSE TIME LONG

NOTE - This chart is only to be used if:

1) All basic mechanical checks and physical inspections have been performed with no problem found; and,

2) Diagnosis of DDEC III/IV was started at step START-1, pg 2-539, and you have now been referred here.

STEP/SEQUENCE

RESULT

WHAT TO DO NEXT

61-1

DDR Test

Connect DDR to DDL connector

Other codes

Service other codes first. Go to

MC13.

displayed.

START-1, page 2-539.

Turn ON ENGINE switch

(TM 9-2320-364-10).

Read active codes using DDR.

No other codes

Go to 61--2.

displayed.

61-2

DDR Test

Start engine (TM 9-2320-364-10)

Injector response times

Go to step 61-3.

and warm to operating

for codes received equal

temperature 180F to 190F

0.80.

(82C to 88C).

Select RESPONSE TIMES on

Injector response times

Check for the following:

DDR.

for codes received

Air in fuel (Refer to fuel

Read DDR display of injector

are not equal to 0.80.

system troubleshooting,

response time (in firing order)

para 2-17).

through several cycles. Note

Low battery charge (Refer to

response time(s) of cylinder

electrical system troubleshooting,

by number in fault code.

para 2-20).

Refer to Injector Identification

Problems in the charging

Table for the firing sequence

system (Loose alternator

in relation to the code received.

belt, bad grounds,etc.).

Turn OFF ENGINE switch.

(Refer to electrical system

troubleshooting, para 2-20).

Signs of insulation wear

on injector harness (Remove

rocker arm cover para 3-4

or 3-5).

If problem has not been

corrected, notify DS maintenance.

61-3

DDR Test

Turn ON ENGINE switch

One code (61)

Go to 61-4.

(TM 9-2320-364-10).

displayed on DDR.

Select CLEAR CODES on

DDR, and clear codes.

Select ACTIVE CODES on DDR.

Read displayed codes.

More than one code.

All codes (61), go to 61-9.

Turn OFF ENGINE switch

All left bank or all right

(TM 9-2320-364-10).

bank codes, go to 61-11.

Disconnect DDR from DDL

connector MC13.

2-731