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:
Sleep Operation Failure of Occupant Classification
ECU
DTC B1796 Sleep Operation Failure of Occupant Classification
ECU
DESCRIPTION
During sleep mode, the occupant classification ECU reads the condition of
each sensor while the ignition
switch is off.
In this mode, if the occupant classification ECU detects an internal
malfunction, DTC B1796 ...
PCS (Pre-Collision
System)
When the radar sensor detects possibility of a frontal collision,
the pre-collision system such as the brakes and seat belts are
automatically engaged to lessen impact as well as vehicle damage.
Pre-collision warning
When a high possibility of a
frontal collision is detected, the
pre-colli ...
Occupant Classification ECU Malfunction
DTC B1795 Occupant Classification ECU Malfunction
DESCRIPTION
DTC B1795 is recorded when a malfunction is detected in the occupant
classification ECU.
Troubleshoot DTC B1771 first when the DTCs B1771 and B1795 are output
simultaneously.
DTC No.
DTC Detecting Condition
...
