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 | |
.gif)
READ NEXT:
On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT COOLING FAN SYSTEM CAUTION: To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fan when inspe
Cooling Fan Circuit
DESCRIPTION The ECM calculates an appropriate cooling fan speed based on the engine coolant temperature, air conditioning switch status, refrigerant pressure, engine speed and vehicle speed, and sends
Cooling System
On-vehicle InspectionON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: Do not remove the radiator cap sub-assembly while the engine and radiator assembly are still hot. Pressurized, hot engine c
SEE MORE:
Components
COMPONENTS ILLUSTRATION *1 FRONT WHEEL OPENING EXTENSION PAD LH *2 FRONT WHEEL OPENING EXTENSION PAD RH *3 NO. 1 ENGINE UNDER COVER *4 NO. 2 ENGINE UNDER COVER ASSEMBLY N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *1 OIL PRESSURE AND TEMPERATURE SE
Relay
On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT DEF RELAY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 3 - 4 Auxiliary battery voltage applied between terminals 1 and 2
© 2016-2025 Copyright www.lexguide.net
