Toyota Sienna Service Manual: Inspection
1. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY OPERATION
(a) Apply the parking brake and turn the ignition switch to the ON position.
(b) Depress the brake pedal and check that the engine starts only when the shift lever is in the N or P position and the engine does not start when the shift lever is in other positions.
(c) Check that the back up light comes on and the reverse warning buzzer sounds only when the shift lever is in the R position and the light and buzzer do not operate when the shift lever is in other positions.
(d) If a failure is found, check the park/neutral position switch for continuity.
2. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY
(a) Jack up the vehicle.
(b) Disconnect the park/neutral position switch connector.
(c) Measure the resistance according to the value(s) in the table below when the shift lever is moved to each position.
Resistance 
ADJUSTMENT
1. ADJUST PARK/NEUTRAL POSITION SWITCH ASSEMBLY
(a) Loosen the 2 bolts of the park/neutral position switch and move the shift lever to the N position.
(b) Align the groove with the neutral basic line.
(c) Hold the switch in position and tighten the 2 bolts.
Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf) (d) After adjustment, perform the inspection described in park/neutral position switch assembly operation.
Removal
1. REMOVE BATTERY
2. REMOVE AIR CLEANER ASSEMBLY
HINT:
(See page EM-26)
3. SEPARATE TRANSMISSION CONTROL CABLE ASSEMBLY
(a) Remove the nut from the control shaft lever.
(b) Disconnect the ...
Installation
1. INSTALL PARK/NEUTRAL POSITION SWITCH ASSEMBLY
(a) Install the park/neutral position switch to the manual
valve shaft.
(b) Temporarily install the 2 bolts.
(c) Place a new lock plate a ...
Other materials:
Removal
HINT:
Remove the RH side by the same procedure as the LH side.
1. REMOVE REAR WHEEL
2. REMOVE QUARTER TRIM PANEL ASSEMBLY
FRONT LH
HINT:
Remove the LH side by the same procedure as the RH
side (See page IR-9).
3. REMOVE REAR SPEED SENSOR
(a) Disconnect the speed sensor connector, and pu ...
Rear Air Mix Damper Control Servo Motor Circuit
DESCRIPTION
The rear air mix control servo motor (water valve servo motor) is controlled
by the A/C amplifier.
The rear air mix control servo motor moves the air mix damper by rotating
(normal, reverse) with electrical
power from the A/C amplifier.
WIRING DIAGRAM
INSPECTION PROCEDURE
...
Solar Sensor Circuit (Driver Side)
DESCRIPTION
The solar sensor, which is installed on the upper side of the instrument
panel, detects sunlight and
controls the air conditioning in AUTO mode. The output voltage from the solar
sensor varies according to
the amount of sunlight. When the sunlight increases, the output voltage ...