Toyota Tacoma (2015-2018) Service Manual: Acceleration Sensor Internal Circuit (C1419,C1435)
DESCRIPTION
The skid control ECU (master cylinder solenoid) receives signals from the yaw rate and acceleration (airbag sensor assembly) via the CAN communication system.
The airbag sensor assembly has a built-in yaw rate and acceleration sensor and detects the vehicle's condition using 2 circuits (GL1, GL2).
If there is trouble in the bus lines between the yaw rate and acceleration sensor (airbag sensor assembly) and the CAN communication system, DTCs U0123 (yaw rate sensor communication trouble) and U0124 (acceleration sensor communication trouble) are stored.
These DTCs are also output when calibration has not been completed.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1419 |
A data malfunction signal is received from the acceleration sensor. |
Yaw rate and acceleration sensor (airbag sensor assembly) |
|
C1435 |
A data malfunction signal is received from the yaw rate and acceleration sensor. |
Yaw rate and acceleration sensor (airbag sensor assembly) |
WIRING DIAGRAM
Refer to DTCs C1232, C1243 and C1245 (See page
.gif)
).
CAUTION / NOTICE / HINT
NOTICE:
When replacing the yaw rate and acceleration sensor (airbag sensor assembly),
perform calibration (See page
).
PROCEDURE
|
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check for DTCs (See page
).
|
Result |
Proceed to |
|---|---|
|
CAN DTC is not output |
A |
|
CAN DTC is output |
B |
| B | .gif) |
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
|
.gif)
|
2. |
REPLACE AIRBAG SENSOR ASSEMBLY |
(a) Replace the yaw rate and acceleration sensor (airbag sensor assembly) (See
page ).
| NEXT | |
END |
High Power Supply Voltage Malfunction (C1417)
DESCRIPTION
If a malfunction is detected in the power supply circuit, the skid control ECU
(housed in the master cylinder solenoid) stores this DTC and the fail-safe function
prohibits ABS/VSC/TR ...
Acceleration Sensor Malfunction (C1420)
DESCRIPTION
Refer to DTCs C1419 and C1435 (See page ).
DTC Code
DTC Detection Condition
Trouble Area
C1420
After the difference between ...
Other materials:
Installation
INSTALLATION
PROCEDURE
1. INSTALL REAR NO. 2 POWER WINDOW REGULATOR SWITCH ASSEMBLY
(a) Engage the 2 claws to install the rear No. 2 power window regulator switch
assembly.
2. INSTALL INSTRUMENT PANEL LOWER CENTER FINISH PANEL
Click here
3. INSTALL NO. 2 INSTRUMENT PANEL GARNISH SUB-ASSEMB ...
Communication Malfunction between ECUs Connected by LIN (B2785)
DESCRIPTION
The certification ECU (smart key ECU assembly) monitors communication between
all the ECUs connected to the certification bus lines. When the certification ECU
(smart key ECU assembly) detects errors in communication with all the ECUs connected
to the certification bus lines at a ...
Active traction control system
The active traction control system automatically helps prevent the spinning of
4 wheels when the vehicle is started or accelerated on slippery road surfaces.
■ System operation
Vehicles with an automatic transmission:
Stop the vehicle, shift the shift lever to N and put the frontwheel d ...
