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:
Steering Angle Sensor Power Source Voltage Malfunction (C1432)
DESCRIPTION
Steering angle sensor (spiral cable with sensor sub-assembly) signals are sent
to the skid control ECU (master cylinder solenoid) via the CAN communication system.
When there is a malfunction in the CAN communication system, it is detected by the
steering angle sensor zero point m ...
Motor Power Supply Voltage Circuit (C142B-C146D)
DESCRIPTION
The motor relay and motor fail-safe relay are built into the brake actuator assembly.
During ABS, TRAC, VSC, or brake assist operation, the skid control ECU (brake
actuator assembly) turns on the motor relay to run the pump motor in the brake actuator
assembly.
When a motor system ...
Security Horn Assembly
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT SECURITY HORN ASSEMBLY
(a) Check the operation.
(1) Apply battery voltage and check operation of the security horn assembly.
OK:
Measurement Condition
Spe ...
