Cooling System Concerns-Runs Cold: Notes
COOLING SYSTEM CONCERNS-RUNS COLD (VINs 7, L, M) DESCRIPTION AND POSSIBLE CAUSE
| Troubleshooting item |
Cooling system concerns-runs cold |
| Description |
- Engine does not reach normal operating temperature.
|
| Possible cause |
- ECT sensor No. 1 malfunction (value higher than actual engine coolant temperature detected)
- ECT sensor No. 2 malfunction (value higher than actual engine coolant temperature detected)
- Cooling fan system malfunction
- Thermostat malfunction (stuck at fully open) (built-into coolant control valve)
- Active air shutter malfunction (With active air shutter)
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| System wiring diagram |
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| Connector diagram |
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