1C-5 Engine Electrical Devices:
Installation
Install the ECT sensor in the reverse order of removal.
Pay attention to the following points:
• Tighten the ECT sensor (1) to the specified torque.
CAUTION
!
Use new gasket washer to prevent engine
coolant leakage.
Tightening torque
ECT sensor (a): 18 N·m (1.8 kgf-m, 13.0 lb-ft)
• Pour engine coolant. Refer to “Cooling System
Inspection in Section 0B (Page 0B-12)”.
ECT Sensor Inspection
B837H11306012
Refer to “DTC “C15” (P0115-H/L): ECT Sensor Circuit
Malfunction in Section 1A (Page 1A-52)”.
Inspect the ECT sensor in the following procedures:
1) Remove the ECT sensor. Refer to “ECT Sensor
Removal and Installation (Page 1C-4)”.
2) Connect the ECT sensor (1) to the circuit tester and
place it in the oil (2) contained in a pan, which is
placed on a stove.
3) Heat the oil to raise its temperature slowly and read
the column thermometer (3) and ohmmeter.
If the ECT sensor ohmic value does not change in
the proportion indicated, replace it with a new one.
CAUTION
!
• Take special care when handling the ECT
sensor. It may cause damage if it gets an
excessive sharp impact.
• Do not contact the ECT sensor and column
thermometer with a pan.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Resistance (Ω)
ECT sensor specification
4) Install the ECT sensor. Refer to “ECT Sensor
Removal and Installation (Page 1C-4)”.
IAT Sensor Removal and Installation
B837H11306013
Removal
1) Remove the air cleaner box. Refer to “Air Cleaner
Box Removal and Installation in Section 1D
(Page 1D-7)”.
2) Remove the IAT sensor (1) from the air cleaner box.
(a)
1
I837H1130029-01
Temperature Standard resistance
20 °C (68 °F) Approx. 2.45 kΩ
50 °C (122 °F) Approx. 0.811 kΩ
80 °C (176 °F) Approx. 0.318 kΩ
110 °C (230 °F) Approx. 0.142 kΩ
(A)
2
1
3
I718H1130014-01
1
I837H1130015-01
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