STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
TM 9-2320-363-20-1
Section 4
TROUBLESHOOTING CHARTS
E. FLASH CODE: 35
J1587 CODE: P10 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 was started at step Start-1, pg 3-345.41 and you have now been referred here.
35-1 Multiple Code Check
Were there any other active,
No other codes.
Go to 35-2.
codes besides Code 100/39
Yes, any or all
Go to ENG5V-1 (page 3-
of the following codes:
345.413).
110/3 or 4, 175/3 or 4,
174/3 or 4, 102/3 or 4,
100/4, 94/3 or 4,
101/3 or 4, 73/3 or 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
Turn ignition on.
Code 100/3).
Start and run engine.
Code 100/3 (and any
Go to 35-5.
Select Engine Temperature
other codes).
(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 harness
5 ohms or open.
Repair open. Then go to 35-30.
connector.
Read resistance between sockets
P2 and Y2 on the engine harness
connector.
Change 3 3-345.283
