ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT FOR COOLANT LEAK
HINT:
(a) Visually check the engine water pump assembly.
(1) Check that engine coolant is not dripping from the engine water pump assembly.
HINT:
(b) Inspect the area around the engine water pump assembly.
HINT:
Check for deposits around the drain plug of the engine water pump assembly.
(1) Remove the fan pulley (See page ).
(2) Press a piece of thin paper towel against the drain plug or deposits on the lip of the drain plug and check that the paper towel is not wet. Text in Illustration
HINT:
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2. INSPECT ENGINE WATER PUMP ASSEMBLY
(a) Turn the pulley and check that the water pump bearing moves smoothly and quietly. If necessary, replace the engine water pump assembly. |
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(b) Install the fan pulley (See page ).
3. INSPECT FLUID COUPLING ASSEMBLY
(a) Remove the fan with fluid coupling assembly (See page ).
(b) Remove the 4 nuts and fan from the fluid coupling assembly. |
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(c) Check that the fluid coupling assembly is not damaged and that no silicon oil leaks. If necessary, replace the fluid coupling assembly. |
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(d) Install the fan to the fluid coupling assembly with the 4 nuts.
Torque:
10 N·m {102 kgf·cm, 7 ft·lbf}
(e) Install the fan with fluid coupling assembly (See page ).
Front Evaporator Temperature Sensor
Inspection
INSPECTION
PROCEDURE
1. INSPECT COOLER THERMISTOR SENSOR
(a) Check the resistance.
(1) Measure the resistance and check the results in accordance with the
values in the table below.
Standard:
Tester Connection
Condition
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Operation Check
OPERATION CHECK
1. MALFUNCTION DISPLAY (MULTI-INFORMATION DISPLAY)
(a) Open circuit indication
(1) If there is an open circuit between a No. 1 ultrasonic sensor and the clearance
warning ECU assembly or a sensor is malfunctioning, the malfunction is displayed
as shown in the illustration.
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Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter
DESCRIPTION
for Audio Function:
The radio and display receiver assembly receives a vehicle speed signal
from the combination meter assembly and sends the signal to radio and display
receiver assembly.
for Automatic Sound Levelizer (ASL):
This circuit is necessary fo ...