Toyota Sienna Service Manual: Window defogger switch
INSPECTION
1. INSPECT WINDOW DEFOGGER SWITCH
- Check the defogger switch illuminates.
Standard
If the result is not as specified, replace the switch assembly or bulb.
- Check the defogger timer.
- Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 3.
- Connect positive (+) lead from the battery to terminal 1 through a 1.4 W test bulb.
- Push the outer defogger switch ON then check
that the switch and the test bulb turn off after
thy illuminate for 12 to 18 minutes.
If the result is not as specified, replace the switch assembly
Repair
1. REPAIR REAR WINDOW DEFOGGER WIRE
Clean the broken wire tips with grease, wax and
silicone remover.
Place the masking tape along the both sides of the
wire.
Thoroug ...
Windshield deicer relay
ON-VEHICLE INSPECTION
1. INSPECT FR WIPER DEICER RELAY
Inspect the resistance.
Standard resistance
If the result is not as specified, replace the relay. ...
Other materials:
On-vehicle inspection
1. INSPECT CURTAIN SHIELD AIRBAG ASSEMBLY
(VEHICLE NOT INVOLVED IN COLLISION)
Perform a diagnostic system check.
With the curtain shield airbag assembly installed on
the vehicle, perform a visual check. If there are any
defects as mentioned below, replace the front pillar
garn ...
Intake Air Temperature Circuit
DESCRIPTION
The Intake Air Temperature (IAT) sensor, mounted on the Mass Air Flow (MAF)
meter, monitors the IAT.
The IAT sensor has a built-in thermistor with a resistance that varies according
to the temperature of the
intake air. When the IAT is low, the resistance of the thermistor i ...
Short in Side Squib LH Circuit
DTC B0115/47 Short in Side Squib LH Circuit
DESCRIPTION
The side squib LH circuit consists of the center airbag sensor assembly and
the front seat side airbag
assembly LH.
This circuit instructs the SRS to deploy when deployment conditions are met.
DTC B0115/47 is recorded when a short ci ...
