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:
DESCRIPTION If the engine switch is pressed with the electrical key transmitter sub-assembly in the cabin, the certification ECU (smart key ECU assembly) receives a signal and changes the power source mode. Related Data List and Active Test Items Problem Symptom Data List and Active Test Power source mode does not change to on (ACC) but does change to on (IG) Power Source Control
Power Supply Condition
ACC Relay Monitor
WIRING DIAGRAM
CAUTION / NOTICE / HINT NOTICE:
When using the GTS with the ignition switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1...
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. REMOVE FRONT BUMPER ASSEMBLY Click here
2. REMOVE HEADLIGHT ASSEMBLY (a) Apply protective tape around the headlight assembly as shown in the illustration...
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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