Toyota Yaris: Window Defogger System / Data List / Active Test

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Vehicle Exterior / Window / Glass / Window Defogger System / Data List / Active Test

DATA LIST / ACTIVE TEST

DATA LIST

(a) Perform the Active Test according to the display on the GTS.

Body Electrical > Power Distribution Box > Data List

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
Rear Defogger Input Signal	Window defogger switch signal input condition	ON or OFF	ON: Window defogger switch is on OFF: Window defogger switch is off	-
Rear Defogger Output Signal	Window defogger output condition	ON or OFF	ON: Window defogger operates OFF: Window defogger does not operate	-
Rear Defogger Output Current	Window defogger current	Min.: 0, Max.: 255 A	Approximately 27 A	Window defogger current when output is on
Rear Defogger Fuse Shut Off Status	Window defogger fuse condition	ON or OFF	ON: Fuse not shut off OFF: Fuse shut off	-
Rear Defogger Fuse Shut Off Count	Window defogger fuse shut off times	Min.: 0, Max.: 255 Times	0 Times	-

Body Electrical > Air Conditioner > Data List

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
Rear Defogger Relay	Window defogger operation condition	ON or OFF	ON: Window defogger operates OFF: Window defogger does not operate	-

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Rear Defogger Relay

Window defogger operation condition

ON or OFF

ON: Window defogger operates

OFF: Window defogger does not operate

ACTIVE TEST (for Automatic Air Conditioning System)

HINT:

Using the GTS to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.

(a) Perform the Active Test according to the display on the GTS.

Body Electrical > Air Conditioner > Active Test

Tester Display	Measurement Item	Control Range	Diagnostic Note
Rear Defogger Relay	Rear window defogger wire (Back door glass)	OFF or ON	-

Diagnosis System

DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary battery voltage with ignition switch off...

Rear Window Defogger System does not Operate

DESCRIPTION An operation request signal is sent to the air conditioning amplifier assembly via LIN communication when the rear window defogger switch (air conditioning control assembly) is operated...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Parts Location

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Toyota Yaris XP210 (2020-2026) Owner's Manual: Drive Selection

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