Toyota Tacoma (2015-2018) Service Manual: Acceleration Sensor Malfunction (C1420)
DESCRIPTION
Refer to DTCs C1419 and C1435 (See page .gif)
).
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1420 |
After the difference between GL1 and GL2 becomes 0.6 G or more with the vehicle stationary, the difference remains 0.4 G or more for 60 seconds or more. |
|
WIRING DIAGRAM
Refer to DTCs C1232, C1243 and C1245 (See page
).
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. |
CHECK AIRBAG SENSOR ASSEMBLY INSTALLATION |
(a) Check that the yaw rate and acceleration sensor (airbag sensor assembly)
is installed properly (See page
).
OK:
The sensor is tightened to the specified torque.
The sensor is not installed at an angle.
| OK | |
REPLACE AIRBAG SENSOR ASSEMBLY |
| NG | |
INSTALL AIRBAG SENSOR ASSEMBLY CORRECTLY |
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 assembl ...
Open in Stop Light Switch Circuit (C1425)
DESCRIPTION
The skid control ECU (master cylinder solenoid) inputs stop light switch signals
and the brake operation condition.
The skid control ECU (master cylinder solenoid) has an open detectio ...
Other materials:
Reassembly
REASSEMBLY
CAUTION / NOTICE / HINT
HINT:
The procedure described below is for the LH side. Use the same procedure for
both the LH and RH sides, unless otherwise specified.
PROCEDURE
1. INSTALL REAR SEAT CUSHION FRAME SUB-ASSEMBLY
(a) Install the rear seat cushion frame sub-assembl ...
Slip Indicator Light does not Come ON
DESCRIPTION
Refer to Slip Indicator Light Remains ON (See page
).
WIRING DIAGRAM
Refer to Slip Indicator Light Remains ON (See page
).
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (brake actuator assembly), perform zero point
calibration and store system informatio ...
Wireless Door Lock Buzzer
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE WIRELESS DOOR LOCK BUZZER
(a) Disconnect the connector.
(b) Using a clip remover, disengage the clamp to remove the wireless door lock
buzzer.
Installation
...
