Toyota Tacoma (2015-2018) Service Manual: Precaution
PRECAUTION
1. HANDLING PRECAUTIONS ON STEERING SYSTEM
(a) Care must be taken when replacing parts. Incorrect replacement may affect the performance of the steering system and result in driving hazards.
2. HANDLING PRECAUTIONS ON SRS AIRBAG SYSTEM
(a) The vehicle is equipped with a SRS (Supplemental Restraint System) such as
the driver airbag and front passenger airbag. Failure to carry out service operations
in the correct sequence could cause the SRS to unexpectedly deploy during servicing.
This may cause a serious accident. Before servicing (including inspection, replacement,
removal and installation of parts), be sure to read the precautionary notices for
the Supplemental Restraint System (See page .gif)
).
Steering System
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On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK STEERING WHEEL FREE PLAY
(a) Stop the vehicle and align the tires facing straight ahead.
(b) Gently turn the steering wheel right and left by ha ...
Other materials:
Check Bus 2 Line for Short to +B
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and +B when no
resistance exists between terminal 18 (CA4H) of the central gateway ECU (network
gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 17 (CA4L) of the central
gateway ECU (network gateway ECU) and ...
Lost Communication with Front Camera Module (U023A)
DESCRIPTION
These DTCs are stored when the CAN communication system is malfunctioning.
DTC No.
DTC Detecting Condition
Trouble Area
U023A
Lost Communication With Image Processing Module"A"
The main body ECU ...
Fail-safe Chart
FAIL-SAFE CHART
1. FAIL-SAFE FUNCTION
(a) When communication fails in any of the CAN bus lines (communication lines),
a fail-safe function(s) will operate. The fail-safe function that is specified for
each system operates to prevent those systems from malfunctioning.
(b) The following table s ...
