Toyota Yaris: Window Defogger System / 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.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery.
TERMINALS OF ECU CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
*1 Power Distribution Box Assembly *2 Main Body ECU (Multiplex Network Body ECU) (a) Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly...
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...
Other information:
The side air bags are mounted in the outboard sides of the front
seatbacks.
When the air bag crash sensors
detect a side impact of greater
than moderate force, the system inflates the side air bag
only on the side in which the
vehicle was hit...
PROBLEM SYMPTOMS TABLE NOTICE: If the main body ECU (multiplex network body ECU) is replaced, refer to the Registration. Click here
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table...
Categories
If a key is left in the vehicle, the functions of the key left in the vehicle
are temporarily suspended to prevent theft of the vehicle.
To restore the functions, press the unlock button on the functions-suspended
key in the vehicle.
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