SYSTEM DIAGRAM

System Description
How To Proceed With TroubleshootingTerminals Of Ecu
TERMINALS OF ECU
1. TERMINALS OF ECU
Text in Illustration
*a
Component without harness connected
(Skid Control ECU (Master Cylinder Solenoid))
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Terminal No. (Symbol)
Terminal Description
S1-1 (GND1 ...
Malfunction of ID-BOX Recognition (B278D)
DESCRIPTION
When the certification ECU (smart key ECU assembly) detects an input signal indicating
that the vehicle is equipped with an ID code box even though the ID code box is
not registered, the certification ECU (smart key ECU assembly) stores this DTC.
DTC Code
DTC ...
Noise Occurs
PROCEDURE
1.
NOISE CONDITION
(a) Check from which direction the noise comes (front left or right, or rear
left or right).
OK:
The location of the noise source can be determined.
NG
GO TO STEP 3
OK
...