Toyota Sienna Service Manual: Headlight leveling switch
ON-VEHICLE INSPECTION
1. HEADLIGHT LEVELING SWITCH
- Connect the battery positive (+) lead to the terminal 1 and the battery negative (-) lead to the terminal 5.
- Measure the resistance between the terminal 4 and the battery negative (-) lead when headlight leveling switch is operated.
- Measure the resistance between the terminal 5 and the battery negative (-) lead when headlight leveling switch is operated.
Voltage
- Inspect switch illumination.
- Connect the battery positive (+) lead to the terminal 3 and the battery negative (-9 lead to the terminal 6, and check that the illumination comes on.
Hazard warning switch
INSPECTION
1. HAZARD WARNING SIGNAL SWITCH ASSEMBLY
Check that there is resistance between the
terminals at each switch position as shown in the
chart.
Resistance
Inspect ...
Stop light switch
ON-VEHICLE INSPECTION
1. STOP LIGHT SWITCH ASSEMBLY
Check the resistance between the terminals at each
switch position as shown ion the chart.
Resistance
...
Other materials:
Sensor detection display, obstacle distance
Distance display
Sensors that detect an obstacle will illuminate continuously or blink.
*1: The images may differ from that shown in the illustrations.
*2: Multi-information display
*3: Audio system screen
Buzzer operation and distance to an obstacle
A buzzer sounds when the sensors are o ...
On-vehicle inspection
1. INSPECT STEERING PAD (VEHICLE NOT INVOLVED IN COLLISION)
Perform a diagnostic system check.
With the steering pad installed on the vehicle,
perform a visual check. If there are any defects as
mentioned below, replace the steering pad with a
new one:
Cuts, minute cracks or ...
ACIS Control Circuit
DESCRIPTION
This circuit opens and closes the Intake Air Control Valve (IACV) in response
to changes in the engine
load in order to increase the intake efficiency (ACIS: Acoustic Control
Induction System).
When the engine speed is between 0 and 4450 rpm and the throttle valve opening
angl ...
