Toyota Tacoma (2015-2018) Service Manual: Occupant Classification System
- Parts Location
- Precaution
- How To Proceed With Troubleshooting
- Initialization
- System Description
- System Diagram
- Diagnosis System
- Dtc Check / Clear
- Problem Symptoms Table
- Terminals Of Ecu
- Sleep Operation Failure of Occupant Classification ECU (B1796)
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Open in Occupant Classification ECU Battery Positive Line (B1794)
- Occupant Classification ECU Malfunction (B1795)
- Rear Occupant Classification Sensor LH Collision Detection (B1787)
- Rear Occupant Classification Sensor RH Collision Detection (B1788)
- Rear Occupant Classification Sensor RH Circuit Malfunction (B1783)
- Front Occupant Classification Sensor LH Collision Detection (B1785)
- Front Occupant Classification Sensor RH Collision Detection (B1786)
- Passenger Side Buckle Switch Circuit Malfunction (B1771)
- Front Occupant Classification Sensor RH Circuit Malfunction (B1781)
- Front Occupant Classification Sensor LH Circuit Malfunction (B1780)
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 disconnecte ...
Parts Location
PARTS LOCATION
ILLUSTRATION
...
Other materials:
IG Signal Circuit
DESCRIPTION
This circuit detects whether the ignition switch is ON or off, and sends this
information to the main body ECU (multiplex network body ECU).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing
the fol ...
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 ...
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
*1: for Vacuum Brake Booster
*2: for Hydraulic Brake Booster
Millimeter Wave Radar Sensor Assembly
Forward Recognition Camera
...
