ENGINE (J05E)/TROUBLESHOOTING 2–249
1. Set the starter key to the "LOCK" position.
2. Disconnect the engine coolant temperature sensor connector.
3. Use the electrical tester to measure the resistance between the
terminals of the engine coolant temperature sensor.
1. Set the starter key to the "ON" position.
2. Use the electrical tester to measure the voltage between the termi-
nals of the engine coolant temperature sensor vehicle side con-
nector.
3
Inspect the engine coolant temperature sensor unit
Measurement
conditions
Tester
connections
Standard values
Starter key: LOCK
Engine coolant
temperature sen-
sor
THW – E
20 C {68 F}:
2.59 – 2.32 k
80 C {176 F}:
0.326 – 0.310 k
Do the measurements meet the standard value?
Go to step 4. Replace the engine coolant temperature sen-
sor.
Perform "After-inspection work" of INFOR-
MATION section.
4
Inspect the actuation power supply wire harness of the engine coolant temperature sensor
Measurement
conditions
Tester
connections
Standard values
Starter key: ON
Engine coolant
temperature sen-
sor vehicle side
connector
THW – E
4.5 – 5.5 V
Do the measurements meet the standard value?
Go to step 7. Go to step 5.
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