Toyota Sienna Service Manual: Room light assembly
ON-VEHICLE INSPECTION
1. ROOM LIGHT ASSEMBLY NO.2
- Check that the resistance exists between the terminals.
Resistance: Below 1 Ω
2. INTERIOR DOME LIGHT SWITCH ASSEMBLY
- Check that there is resistance between the terminals at each switch position as shown in the chart.
Resistance
- Inspect illumination operation.
- Connect the battery positive (+) lead to the terminal 4 and the battery negative (-) lead to the terminal 1, and check that the illumination comes on.
Personal light assembly
ON-VEHICLE INSPECTION
1. ROOF CONSOLE BOX ASSEMBLY
Inspect map light assembly resistance.
Check the resistance between the terminals at
each switch position as shown in th ...
Door courtesy light (for Rear
Side)
ON-VEHICLE INSPECTION
1. REAR DOOR COURTESY LIGHT ASSEMBLY LH
Check that the exists between the terminals.
Resistance:
Below 1 Ω
2. REAR DOOR COURTESY LIGHT ASSEMBLY RH
...
Other materials:
Back Sonar Sensor RH Circuit
DESCRIPTION
An ultrasonic sensor consists of a sensor portion that transmits and receives
ultrasonic waves and a preamplifier
that amplifies them. The ultrasonic sensor outputs the ultrasonic waves and
sends the received
signals to the clearance warning ECU.
WIRING DIAGRAM
INSPECTION PR ...
Network gateway ECU
COMPONENTS
REMOVAL
1. REMOVE FRONT DOOR SCUFF PLATE LH
2. REMOVE COWL SIDE TRIM BOARD LH
3. REMOVE INSTRUMENT PANEL FINISH PANEL
LOWER LH (See page IP-6)
4. REMOVE INSTRUMENT PANEL SAFETY PAD
INSERT NO. 1 (See page IP-6)
5. REMOVE CLEARANCE WARNING ECU ASSEMBLY
(See page PM-15)
6. REMOVE ...
Precaution
1. INSPECTION PROCEDURE FOR VEHICLE INVOLVED
IN ACCIDENT
Perform the zero point calibration and sensitivity
check if any of the following conditions occur.
The occupant classification ECU is replaced.
Accessories (seatback tray and seat cover, etc.)
are installed.
...
