Test Step 5. Compare the Temperature Reading to the Temperature from Another Gauge

123

TM 9-2320-312-24-2

Troubleshooting Section

D. Insert the sensor and the thermocouple probe

D. Note the temperature for the sensor on the ET

from the 6V-9130 Temperature Adapter into

status screen.

a container of hot water. Again, compare

the temperature reading from the sensor to

E. Start the engine but remain parked.

the temperature reading of the 6V-9130

Temperature Adapter.

F. Monitor the temperature for the sensor that is

being checked on the ET status screen as the

engine is warming.

Expected Result:

The two measurements are within 15 C (27 F) of

Expected Result:

each other.

The temperature before starting the engine should

be within reasonable limits, and the temperature

Note: Do not expect the sensor and the

increases as the engine warms.

thermocouple probe from the 6V-9130 Temperature

Adapter to respond to the temperature change at

Note: The engine may require several hours to cool

the same rate.

down depending on the ambient air temperature

around the vehicle.

Results:

Yes The sensor is functioning correctly. If

Results:

a problem is still suspected the problem is a

Yes The sensor is functioning correctly. If

mechanical problem. The problem is not an

electronic problem.

a problem is still suspected the problem is a

mechanical problem. The problem is not an

Repair: Perform the following diagnostic

electronic problem.

procedure:

Repair: Perform the following diagnostic

Refer to Troubleshooting, "Troubleshooting without

procedure:

a Diagnostic Code" for a procedure that best

describes the conditions.

Refer to Troubleshooting, "Troubleshooting without

a Diagnostic Code" for a procedure that best

describes the conditions.

STOP.

No Proceed to Test Step 5.

Repair: Perform the following diagnostic

procedure:

Test Step 5. Compare the Temperature

Reading to the Temperature from Another

1. Temporarily install another sensor.

Gauge.

2. Repeat this test step.

A. Remove the temperature sensor from the engine.

3. If the problem is resolved with the new sensor,

replace the sensor.

B. Connect the sensor to the engine harness. Insert

the sensor and the thermocouple probe from the

4. Verify that the repair eliminates the problem.

6V-9130 Temperature Adapter into a container

of water that is room temperature. Allow three

STOP.

minutes for the sensor and the probe to respond

to the temperature of the water.

C. The ET status screen will display the temperature

reading from the sensor. Compare the

temperature reading to the temperature reading

from the 6V-9130 Temperature Adapter. The

temperature reading from the sensor can also

be compared to the temperature gauge on the

dash of the truck.