Toyota Tacoma (2015-2018) Service Manual: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT OCCUPANT DETECTION ECU (for Vehicle not Involved in Collision)
(a) Perform a diagnostic system check (See page
.gif)
).
2. INSPECT OCCUPANT DETECTION ECU (for Vehicle Involved in Collision)
(a) Perform a diagnostic system check (See page
).
(b) Even if the airbag was not deployed, perform a visual check for damage to the occupant detection ECU. If there are any defects as mentioned below, replace the occupant detection ECU with a new one:
- Cracks, dents or chips in the case.
- Cracks or other damage to the connector.
CAUTION:
For removal and installation procedures of the occupant detection ECU, see page
, and
. be sure to
follow the correct procedure.
Components
COMPONENTS
ILLUSTRATION
...
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:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
If a normal code is displayed during the DTC check but the problem still occurs,
check the circuits for each problem symptom in the order given in the table below
and proceed to the relevant troubleshooting page.
NOTICE:
When replacing the skid control ECU (master cylin ...
Vehicle Information Not Obtained (C1A02)
DESCRIPTION
When a new millimeter wave radar sensor assembly is installed, it receives vehicle
specification information (destination, steering wheel position, 2WD or 4WD, etc.)
from the main body ECU (multiplex network body ECU) and stores the information.
DTC C1A02 is stored when the millime ...
Passenger Side Buckle Switch Circuit Malfunction (B1771)
DESCRIPTION
The passenger side buckle switch circuit consists of the occupant detection ECU
and the front seat inner belt assembly RH.
DTC B1771 is recorded when a malfunction is detected in the passenger side buckle
switch circuit.
Troubleshoot DTC B1771 first when DTCs B1771 and B1795 are o ...
