Toyota Sienna Service Manual: Cooling fan motor
On-vehicle inspection
1. No. 1 Cooling fan motor
(A) check that the motor turns smoothly when the battery is connected to the fan motor connector.
(B) measure the current while the motor is turning.
Standard current: 11.8 To 14.8 A at 20°c (68°f) if the result is not as specified, replace the no. 1 Cooling fan motor.
2. NO. 2 COOLING FAN MOTOR
(a) Check that the motor turns smoothly when the battery is connected to the fan motor connector.
(b) Measure the current while the motor is turning.
Standard current: 9 to 11 A at 20°C (68°F) If the result is not as specified, replace the No. 2 cooling fan motor.
Installation
1. Install thermostat
(a) Install a new gasket to the thermostat.
(b) Install the thermostat with the jiggle valve facing up.
Hint:
the jiggle valve may be set within 10° on either side
of ...
Cooling fan ecu
ON-VEHICLE INSPECTION
1. INSPECT COOLING FAN ECU
(a) Inspect the input voltage.
(1) Disconnect the cooling fan ECU connector.
(2) Turn the ignition switch to the ON position.
Check the ...
Other materials:
Radar Sensor Malfunction
DTC P1570 Radar Sensor Malfunction
DESCRIPTION
The laser sensor emits laser beams towards an object in front and measures
the distance and direction of
the object by receiving the beam reflections. Based on the reflections, the
sensor calculates the difference
in speed between your own vehic ...
No. 1 Clearance Warning Buzzer Circuit
DESCRIPTION
The clearance warning ECU receives the ultrasonic sensor signal to sound the
front warning buzzer.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FRONT BUZZER
Remove the clearance warning ECU with front buzzer.
Apply the battery voltage to the terminals 1 and 2 o ...
Navigation Voice Circuit
DESCRIPTION
This circuit is used when the voice guidance in the navigation system is on.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSEMBLY - STEREO
COMPONENT AMPLIFIER)
Disconnect the radio and navigation assembly connector
R13 and s ...