Test Step 2. Inspect Electrical Connectors and Wiring for the 4-Pin Sensor

189

TM 9-2320-312-24-2

Troubleshooting Section

111-04 Coolant Level Sensor Short Circuit (12)

Expected Result:

Result 1 111-02 Coolant Level Sensor Fault is

active. This fault indicates that a problem exists with

the 4-pin sensor or the 2-wire float sensor. Ensure

that the vehicle is equipped with a 4-pin sensor.

Result 2 111-02 Coolant Level Sensor Fault is

active. This fault indicates that a problem exists

with the 4-pin sensor or the 2-wire float sensor.

111-03 Coolant Level Sensor Open Circuit or 111-04

Coolant Level Sensor Short Circuit is active. These

faults indicate that a problem exists with the 2-wire

float sensor. Ensure that the vehicle is equipped

with a 2-wire float sensor.

Result 3 111-01 Low Coolant Level Warning is

active or a 111-11 Very Low Coolant Level is active.

Results:

Result 1 Proceed to Test Step 2.

Result 2 Proceed to Test Step 8.

Result 3

Repair: Refer to Troubleshooting, "111-01 Low

Coolant Level Warning" or Troubleshooting,

"111-11 Very Low Coolant Level" for the proper

troubleshooting procedure.

STOP.

Test Step 2. Inspect Electrical Connectors

and Wiring for the 4-Pin Sensor

g00650999

Illustration 51

Schematic for 4-pin sensor