Toyota Sienna Service Manual: Pressing Power Switch does not Turn on System
INSPECTION PROCEDURE
1 CHECK VEHICLE CONDITION
- Check that conditions in the cabin are not likely to cause condensation.
HINT: This problem occurs when the cabin is humid and the temperature changes rapidly. This may produce condensation, resulting in a short circuit.
OK: Condensation is not likely to be produced.
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Noise Occurs
INSPECTION PROCEDURE
1 NOISE CONDITION
Check in which direction the noise comes from (front left
or right, or rear left or right).
Check in which direction the noise comes from.
OK:
T ...
No Sound can be Heard from Speakers
INSPECTION PROCEDURE
1 CHECK RADIO RECEIVER
Check radio receiver setting.
Check that the volume is not set to "0".
Check that "MUTE" is off.
OK:
The vo ...
Other materials:
Rear Occupant Classification Sensor LH Circuit
Malfunction
DTC B1782 Rear Occupant Classification Sensor LH Circuit
Malfunction
DESCRIPTION
The rear occupant classification sensor LH circuit consists of the occupant
classification ECU and the rear
occupant classification sensor LH.
DTC B1782 is recorded when a malfunction is detected in the rear oc ...
Reassembly
1. INSTALL REAR WHEEL CYLINDER CUP KIT
(a) Temporarily tighten the bleeder plug to the wheel
cylinder, and install the bleeder plug cap.
(b) Apply lithium soap base glycol grease to the 2 new
wheel cylinder cups and the 2 pistons.
(c) Install the 2 wheel cylinder cups to each piston.
...
Pressure Control Solenoid "C" Performance (Shift
Solenoid Valve SL3)
SYSTEM DESCRIPTION
The ECM uses signals from the vehicle speed sensor to detect the actual gear
position (1st, 2nd, 3rd, 4th
or 5th gear).
Then the ECM compares the actual gear with the shift schedule in the ECM memory
to detect mechanical
troubles of the shift solenoid valves and valve bo ...