Engine Pressure Sensor Open or Short Circuit

243

TM 9-2320-312-24-2

Troubleshooting Section

Test Step 8. Check Individual Pin

Retention into the Socket

g00640220

Illustration 81

(1) Contact of the pin

(2) Contact of the socket

Note: This is especially important for intermittent

i01606357

problems.

Engine Pressure Sensor Open

or Short Circuit - Test

A. Use a new pin. Insert the pin into each socket

one at a time in order to check for a good grip

on the pin by the socket.

SMCS Code: 1408-081; 1917-081; 1923-081;

1924-081

B. Use a new socket. Insert the socket over each

pin one at a time in order to check for a good

System Operation Description:

grip on the pin by the socket. The pins are

located on the mating side of the connector.

Use this procedure under the following situation:

C. The contact terminal should stay connected

Use this procedure to troubleshoot the system only

when the connector is held in the position shown

when there is an active diagnostic code or when

in Illustration 81. The contact terminal is the pin

a diagnostic code can easily be activated. This

or the socket.

procedure covers open circuit diagnostic codes and

short circuit diagnostic codes that are associated

Expected Result:

with the following sensors:

The pins and the sockets appear to be OK.

Boost pressure sensor

Results:

Oil pressure sensor (optional)

OK STOP.

Atmospheric pressure sensor (specific ratings

only)

Not OK

Injection actuation pressure sensor

Repair: Repair the terminals and/or replace the

terminals.

Use this procedure for the following diagnostic

codes:

Verify that the repair eliminates the problem.

100-03 Oil Pressure Sensor Open Circuit (27)

STOP.

100-04 Oil Pressure Sensor Short Circuit (27)

102-00 Boost Pressure Reading Stuck High (25)