PROBLEM SYMPTOMS TABLE
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.
Cooling Fan System|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Cooling fan does not operate |
Cooling fan motor |
|
|
No. 2 cooling fan motor |
|
|
|
FAN NO. 1 relay |
|
|
|
FAN NO. 2 relay |
|
|
|
FAN NO. 3 relay |
|
|
|
Cooling fan circuit |
|
|
|
ECM |
|
|
|
Cooling fan does not stop |
FAN NO. 1 relay |
|
|
FAN NO. 3 relay |
|
|
|
Cooling fan circuit (for short circuit) |
|
|
|
ECM |
|
|
|
Cooling fan speed does not change |
FAN NO. 2 relay |
|
|
Cooling fan circuit |
|
|
|
ECM |
|
System Diagram
Cooling Fan CircuitRemoval
REMOVAL
CAUTION / NOTICE / HINT
CAUTION:
Wear protective gloves when removing the exhaust pipe.
The exhaust pipe is extremely hot immediately after the engine has stopped.
Confirm that the exhaust pipe has cooled down ...
Engine immobilizer system
The vehicle’s keys have built-in transponder chips that prevent the engine
from starting if the key has not been previously registered in the vehicle’s on-board
computer.
Never leave the keys inside the vehicle when you leave the vehicle.
Vehicles ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT EVAPORATOR TEMPERATURE SENSOR
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
...