Replacement - Hino S5-LJ05E04A Workshop Manual

12–38
THERMOSTAT CASE
THERMOSTAT
COOLANT
TEMPERATURE
SENSOR
COOLANT
TEMPERATURE
SENSOR
THERMO-
METER
HEAT
SOURCE
COOLING (J05E)

REPLACEMENT

REMOVING THE COOLANT TEMPERATURE SEN-
SOR
1. REMOVING THE COOLANT TEMPERATURE SENSOR
(1) Disconnect the connector from the coolant temperature sensor.
CONNECTOR
SHTS021271100069
(2) Remove the coolant temperature sensor and gasket from the
thermostat case.
NOTICE
Prepare a reservoir and clean clothes to collect dripping coolant
when removing the coolant temperature sensor.
GASKET
SHTS021271100070
SINGLE UNIT INSPECTION
1. INSPECTING THE RESISTANCE
(1) Warm the coolant temperature sensor using water or coolant
(stock solution).
(2) Use the circuit tester to measure the resistance between the ter-
minals. If the value exceeds the standard value, replace it.
Between A terminal and C terminal
SHTS021271100071
Temperature (C {F})
–20 {–4}
20 {68}
80 {176}
110 {230}
EN01F02127110402012002
Standard value (k)
13.84-16.33
2.32-2.59
0.310-0.326
0.1399-0.1435