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- Item 06: Engine coolant temperature sensor
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OK:
Engine cold state:
At ambient temperature (atmospheric temperature) or equivalent. Engine
hot state: At 80 -
120°C
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Q.
Is the check result normal?
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Intermittent malfunction (Refer to
GROUP 00 -
How to Use Troubleshooting/Inspection
Service Points -
How to Cope with Intermittent Malfunctions ).
|
|
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Q.
Is the check result normal?
|
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Repair
or replace the connector.
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|
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- Disconnect connector, and measure at sensor side.
- Resistance between terminal No. 1 and No. 2.
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OK:
Engine coolant
temperature at -20°C: 14 -
17 kΩ Engine coolant temperature at 0°C: 5.1 -
6.5 kΩ Engine coolant temperature at 20°C: 2.1 -
2.7 kΩ Engine coolant temperature at 40°C: 0.9 -
1.3 kΩ Engine coolant temperature at 60°C: 0.48 -
0.68 kΩ Engine coolant temperature at 80°C: 0.26 -
0.36 kΩ
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Q.
Is the check result normal?
|
|
Replace the engine coolant temperature
sensor.
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|
|
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- Disconnect connector and measure at harness side.
- Ignition switch: ON
- Voltage between terminal No. 1 and earth.
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|
Q.
Is the check result normal?
|
|
Q.
Is the check result normal?
|
|
Repair
or replace the connector.
|
|
|
|
- Check output line for short circuit.
|
|
Q.
Is the check result normal?
|
|
Repair
the damaged harness wire.
|
|
|
|
- Item 06: Engine coolant temperature sensor
|
|
OK:
Engine cold state:
At ambient temperature (atmospheric temperature) or equivalent. Engine
hot state: At 80 -
120 °C
|
|
Q.
Is the check result normal?
|
|
Intermittent malfunction (Refer to
GROUP 00 -
How to Use Troubleshooting/Inspection
Service Points -
How to Cope with Intermittent Malfunctions ).
|
|
|
|
Replace the engine-ECU <M/T>
or engine-A/T-ECU <A/T>.
|
|
|
|
- Disconnect connector, and measure at harness side.
- Resistance between terminal No. 2 and earth.
|
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OK: Continuity (2 Ω
or less)
|
|
Q.
Is the check result normal?
|
|
Q.
Is the check result normal?
|
|
Repair
or replace the connector.
|
|
|
|
- Check earthing line for damage.
|
|
Q.
Is the check result normal?
|
|
Repair
the damaged harness wire.
|
|
|
|
Q.
Is the check result normal?
|
|
Repair
or replace the connector.
|
|
|
|
- Check output line for damage.
|
|
Q.
Is the check result normal?
|
|
Repair
the damaged harness wire.
|
|
|