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:
Compressor Lock Sensor Circuit (B1422)
SYSTEM DESCRIPTION
The ECM sends the engine speed signal to the air conditioning amplifier assembly
via CAN communication.
The air conditioning amplifier assembly reads the difference between compressor
speed and engine speed. When the difference becomes too large, the air conditioning
ampli ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" column of the
table. Check each sy ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. DTC CHECK USING TECHSTREAM
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.
(e) Check for DTCs.
2. DTC CLEAR USING TECHSTREAM
(a) Conn ...
