P100 3 - OIL PRESSURE CIRCUIT FAILED HIGH (HIGH VOLTAGE)

TM 9-2320-364-20-1

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

Section IV. TROUBLESHOOTING CHARTS (Cont.)

E. FLASH CODE:

J1587 CODE:

P100 3 - OIL PRESSURE CIRCUIT FAILED HIGH (HIGH VOLTAGE)

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

35-1

Multiple Code Check

Were there any other active

No other codes.

Go to 35-2.

codes besides Code 100/3?

Yes, any or all

Go to ENG5V-1 (page 2-761).

of the following codes:

110/3 or 4, 175/3 or 4,

174/3 or 4, 102/3 or 4,

100/4.

Yes - but none

Go to 35-2.

of the above.

35-2

Sensor Check

Turn ignition off.

Code 100/4 (and

Go to 35-3.

Disconnect OPS connector

any codes except

(para 7-68).

Code 100/3).

Turn ignition on.

Start and run engine

Code 100/3 (and any

Go to 35-5.

(TM 9-2320-364-10).

other codes).

Select Engine Temperature

(COOLANT TEMP or OIL

TEMP) on the DDR.

Warm up engine until

engine temperature reading is

greater than 60 degrees C

(140 degrees F).

Leave engine running at idle after

warm up.

Read active codes.

35-3

Return Circuit Check

Turn ignition off.

Less than or

Go to 35-4.

Disconnect engine harness

equal to 5 ohms.

connector at the ECM.

Install a jumper wire between pins

Greater than

Return line (ckt #452) is open.

A and B of the OPS

5 ohms or open.

Repair open. Then go to 35-30.

connector.

Read resistance between sockets

P2 and Y2 on the engine harness

connector.

2-681