CODES 61-68 INJECTOR RESPONSE TIME TOO LONG (CONT). -726280438

TM 9-2320-364-20-1

A4 CODES 61-68 INJECTOR RESPONSE TIME TOO LONG (CONT).

12.

KNOWN INFO

TEST OPTIONS

WARNING

Read WARNING

CHECK ENGINE light (CEL)

Voltage test.

on Page 2-369

comes ON and stays ON.

STE/ICE-R #89.

Are 10

Injector response times OK.

to 14 vdc

Only 1 code displayed on DDR.

REASON FOR QUESTION

measured on wires 241 and

No open in wires 619

240 between DDEC ECM

and 620.

Voltage less than 10 vdc at

No short in wires 619

power harness connector,

power harness connector

and 620.

terminals A, B, E and F and a

indicates short exists between

No short in wires 611

bank A power wire 240 or bank

known good ground?

through 618.

B wire 241 and ground.

Injectors OK.

Terminals at injector

harness OK.

Repair wires 240

DDEC ECM OK.

and/or 241 (see

DDEC circuit breakers not

schematic Fig 2-3)

tripped.

or notify DS

Maintenance.

POSSIBLE PROBLEMS

Verify repair, go to

Step 16 of this Fault.

Short in bank A or bank B

wires 240 and/or 241.

Open in bank A or bank B

wires 240 and/or 241.

YES

Open in ground line wire 150.

Open in injector return lines

wires 619 and/or 620.

2-368