Lexus ES: Problem Symptoms Table
Lexus ES (XZ10) Service Manual / Engine & Hybrid System / A25a-fxs (cooling) / Cooling Fan System / Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | Link |
|---|---|---|
| Cooling fan does not operate | Engine coolant temperature sensor | |
| EFI-MAIN NO. 1 relay | | |
| Cooling fan circuit | | |
| Fan with motor assembly | - | |
| ECM | | |
| Cooling fan does not stop (continues to operates) | Engine coolant temperature sensor | |
| Cooling fan circuit | | |
| Fan with motor assembly | - | |
| ECM | | |
| Cooling fan speed does not change | Cooling fan circuit | |
| Fan with motor assembly | - | |
| ECM | |
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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE:
If the auxiliary battery voltage becomes low, auxiliary battery load control will operate in order to ensure sufficient power is supplied to the power steering system. In this case, the windshield deicer system may not operate.
HINT:
Use the table below to hel
High Beam Headlight Circuit
DESCRIPTION The headlight ECU sub-assembly controls the high beam headlights. WIRING DIAGRAM except Bulb Type Turn Signal Light (for TMMK Made) for Bulb Type Turn Signal Light (for TMMK Made) CAUTION / NOTICE / HINT NOTICE:
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