Toyota Yaris: Front Radar Sensor System / Terminals Of Ecu
TERMINALS OF ECU
NOTICE:
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Turning the ignition switch to ON with connectors disconnected may cause DTCs to be stored. Make sure to clear the DTCs after inspection has been performed.
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Do not apply excessive force to the millimeter wave radar sensor assembly connector.
CHECK MILLIMETER WAVE RADAR SENSOR ASSEMBLY
(a) Measure the voltage and resistance according to the value(s) in the table below.
Terminal No. (Symbol) | Terminal Description | Condition | Specified Condition |
B8-8 (IGB) - B8-1 (SGND) | Power source | Ignition switch ON | 10.5 to 16 V |
Ignition switch off | Below 1 V |
B8-1 (SGND) - Body ground | Ground | Always | Below 1 Ω |
PROBLEM SYMPTOMS TABLE 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...
DIAGNOSIS SYSTEM DIAGNOSIS FUNCTION (a) If a malfunction is detected in the millimeter wave radar sensor assembly, the millimeter wave radar sensor assembly stores DTCs without directly informing the driver, and sends malfunction signals to the systems that use the millimeter wave radar sensor assembly...
Other information:
INSTALLATION PROCEDURE 1. INSTALL TRANSFER AND TRANSAXLE SETTING STUD BOLT (a) Clean the bolt holes. (b) Apply adhesive 1324 to 2 or 3 threads on one half of a new transfer and transaxle setting stud bolt A as shown in the illustration.
*a Toyota Genuine Adhesive 1324 *b Sealant Adhesive: Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent NOTICE:
Do not apply adhesive 1324 to the ends of the transfer and transaxle setting stud bolt A...
FAIL-SAFE CHART PULSE FAILURE (a) If a pulse sensor built into the power window regulator motor assembly malfunctions, the following power window operations will be prohibited. Multiplex Network Master Switch Assembly, Power Window Regulator Switch Assembly Power Window Operation Condition Ignition switch ON Ignition switch off (Key-off operation permitted) Ignition switch off (Key-off operation prohibited) Manual up (Switch on the door) ▲ X - Manual down (Switch on the door) ● X - Auto up (Switch on the door) X X - Auto down (Switch on the door) X X - Manual up (Remote switch operation) X X - Manual down (Remote switch operation) X X - Auto up (Remote switch operation) X X - Auto down (Remote switch operation) X X - Key-linked open and close - X X Wireless transmitter-linked open and close*1 - X X
*1: w/ Wireless Transmitter-linked Close Function
HINT:
●: Operates without catch protection
▲: Operates for approximately 0...
Categories

Smart key
Auxiliary key
Key code number plate
To use the auxiliary key, press the knob and pull out the auxiliary key
from the smart key.

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