Toyota Tacoma (2015-2018) Service Manual: Installation
INSTALLATION
PROCEDURE
1. INSTALL OCCUPANT DETECTION ECU
(a) Check that the ignition switch is OFF.
(b) Check that the cable is disconnected from the battery negative (-) terminal is disconnected.
CAUTION:
After removing the cable from the terminal, wait for at least 90 seconds before starting the operation.
(c) Engage the claw to install the occupant detection ECU.
NOTICE:
- If the occupant detection ECU has been dropped, or there are cracks, dents or other defects in the case or connector, replace it with a new one.
- When installing the occupant detection ECU, make sure that the SRS wiring does not interfere with any other parts and that it is not pinched between other parts.
(d) Connect the 2 connectors to the occupant detection ECU.
2. INSTALL FRONT SEAT ASSEMBLY RH
Click here .gif)
3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
Torque:
5.4 N·m {55 kgf·cm, 48 in·lbf}
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.
Click here
4. OCCUPANT DETECTION ECU INITIALIZATION
Click here
5. INSPECT SRS WARNING LIGHT
Click here
Removal
REMOVAL
PROCEDURE
1. PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing (See page
).
NOTICE:
After turning the ignition switch off, waiting time may be required before ...
Other materials:
Acceleration Sensor Power Supply Voltage Malfunction (C1381)
DESCRIPTION
The skid control ECU (brake actuator assembly) receives signals from the yaw
rate and acceleration sensor (airbag sensor assembly) via the CAN communication
system.
The airbag sensor assembly has a built-in acceleration sensor and detects the
vehicle condition.
If there is troub ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK FOR DTC
HINT:
When using the Techstream with the engine switch off to troubleshoot:
Connect the Techstream to the DLC3 and turn a courtesy light switch on and off
at 1.5-second intervals until communication between the Techstream and vehicle begins.
(a) Connect the ...
Open in Occupant Classification ECU Battery Positive Line (B1794)
DESCRIPTION
DTC B1794 is set when a malfunction is detected in the occupant detection ECU.
DTC No.
DTC Detections Conditions
Trouble Areas
B1794
Occupant detection ECU circuit malfunction
Occupant detection ECU malfuncti ...
