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:
Monitor result information
If you use a generic scan tool, multiply the test value by
the scaling value listed below.
...
Reverse Signal Circuit
DESCRIPTION
The radio and navigation assembly receives a reverse signal from the
park/neutral position switch.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT RADIO AND NAVIGATION ASSEMBLY
Disconnect the radio and navigation assembly connector
R12.
Measure the voltage accor ...
Mechanical system tests
1. PERFORM MECHANICAL SYSTEM TESTS
(a) Measure the stall speed.
The object of this test is to check the overall
performance of the transaxle and engine by
measuring the stall speeds in the D position.
NOTICE:
Driving test should be done on a paved road
(a nonskid road).
Per ...
