TM-9-2320-365-20-1

M1078 SERIES, 2 1/2-TON, 4 X 4, LIGHT MEDIUM TACTICAL VEHICLES (LMTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 1 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-365-20-1 - Page 490 of 1760

e11. ENGINE OIL PRESSURE GAGE DOES NOT OPERATE OR IS INACCURATE

KNOWN INFO

VOLTS gage OK.

Engine oil level OK.

ENGINE OIL PRESSURE indicator

goes out after engine starts.

POSSIBLE PROBLEMS

TEST OPTIONS

Voltage Test or

STE/ICE-R Test #89

REASON FOR QUESTION

1.

NO

YES

Is 24 VDC present at

connector PX6 pin 3?

Faulty engine oil pressure

transmitter.

Faulty engine OIL PRESS gage.

Faulty engine control cable

assembly.

Faulty WTEC II dashboard cable

assembly.

Faulty WTEC III dashboard cable

assembly.

WARNING

CAUTION

Read WARNING and

CAUTION on

following page.

START

If 24 VDC is not present, wire

1546 from connector PX6 pin 3

to connector PX10 pin 3 is

faulty.

INITIAL SETUP

Equipment Condition

Engine shut down (TM 9-2320-365-10).

Personnel Required

(2)

Tools and Special Tools

Tool Kit, Genl Mech (Item 44, Appendix C)

STE/ICE-R (Item 39, Appendix C)

Multimeter, Digital (Item 22, Appendix C)

References

TM 9-4910-571-12&P

Repair wire 1546 from connector PX6 pin 3 to

connector PX10 pin 3 (para 2-40) or replace WTEC

II dashboard cable assembly (para 7-10) or WTEC

III dashboard cable assembly (para 7-11).

TM 9-2320-365-20-1

2-326

Change 2