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:
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals ...
Pressure Control Solenoid "A" Performance (Shift Solenoid Valve SL1) (P0746)
SYSTEM DESCRIPTION
The ECM uses the vehicle speed signal and signals from the transmission revolution
sensors (NT, SP2) to detect the actual gear (1st, 2nd, 3rd, 4th, 5th or 6th gear).
The ECM compares the actual gear with the shift schedule in the ECM memory to
detect mechanical problems of t ...
Low Output Signal of Rear Speed Sensor RH (Test Mode DTC) (C1273,C1274,C1403,C1404)
DESCRIPTION
Refer to DTCs C1401 and C1402 (See page ).
DTC Code
DTC Detection Condition
Trouble Area
C1273
C1274
Stored only during test mode.
Rear speed sensor RH/LH
Rear speed sensor rotor RH/LH (rear ax ...
