Engine Overheat Troubleshooting |
Inspection |
Remedy |
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Visual inspection |
Inspect for shortage of coolant in reservoir tank . |
Reinspect after replenishing coolant. |
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Inspect for coolant pollution after removing radiator cap.
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Reinspect after replacing coolant. |
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Inspect for leakage and loose coolant hoses (radiator hose, heater hose,
oil cooler hose, etc.). |
Reinspect for leakage after reinstalling hoses and clamps. |
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Inspect for leakage on water inlet fitting mounting part. |
Reinspect for leakage after replacing O-ring. |
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Reinspect for leakage after tightening to the specified torque. |
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Inspect drive belt (for normal operation of water pump). |
Adjust drive belt tension or replace. |
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Inspect for leakage on water pump gasket mounting part. |
Reinspect for leakage after replacing gasket. |
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Reinspect for leakage after tightening to the specified torque. |
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Inspect for loose coolant temperature sensor, cooling fan connector and
pin. |
Reinstall loose connector. |
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Replace relevant part if connector pin is damaged. |
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Inspect operation status of cooling fan. - Check operation status by switching ON/OFF the heater control A/C.
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Check mounting status of ground cable. |
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Diagnostic device |
Inspect self-diagnostic code using GDS. |
Check coolant temperature sensor, wiring, connector, etc. |
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Unit inspection |
Inspect water pump impeller. |
Replace water pump. |
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Inspect for foreign materials and status of thermostat valve. |
Inspect unit after removing foreign materials. |
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Inspect for stuck thermostat valve. - Immerse thermostat in water heated to over 95°C (203°F), then heat for at least 3 minutes to check valve lift.
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Check valve lift. - Replace thermostat if valve lift is below specification or valve is stuck. |
The SRS consists of the following components:
1. Driver's front air bag module
2. Passenger's front air bag module
3. Side air bag modules
4. Curtain air bag modules
5. Retractor pre-tensioner
6. Air bag warning light
7. SRS control module (SRSCM)/
Rollover sensor
8. Front impact sensors
9. Side impact sensors
10.Side pressure sensors
11. Occupant classification system
12. Driver’s knee airbag module