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:
IG Power Source Circuit
DESCRIPTION
The main power source is supplied to the A/C amplifier when the ignition
switch is turned to the ON
position.
The power source is used for operating the A/C amplifier and servo motor, etc.
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
Start the engine before inspection. Check ...
Open in ABS Solenoid Relay Circuit
DESCRIPTION
This relay supplies power to each ABS solenoid.
Immediately after the ignition switch is turned to the ON position, the relay
turns on if the solenoid is
determined to be normal as a result of self-diagnosis during initial check.
The relay turns off if an open/short is dete ...
Terminals of ECU
1. CHECK DRIVER SIDE J/B ASSEMBLY (MULTIPLEX NETWORK BODY ECU)
Disconnect the 1C, 1J, 1L, 1K, 1P, B6, B7 and B9 J/
B connectors.
Measure the voltage and resistance according to
the value(s) in the table below.
Standard
HINT:
If the result is not as specified ...
