Toyota Tacoma (2015-2018) Service Manual: Utility
UTILITY
NOTICE:
If the forward recognition camera has been replaced due to a malfunction in the lane departure alert system, be sure to perform Recognition Camera/Target Position Memory and Optical Axis Learning. Otherwise all systems that use the forward recognition camera may be affected.
HINT:
Refer to Front Recognition Camera System for details of Recognition Camera/Target Position Memory and Recognition Camera Axis Adjust.
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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 lis ...
Diagnosis System
DIAGNOSIS SYSTEM
CHECK DLC3
(a) Check the DLC3.
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FUNCTION OF WARNING INDICATOR AND MESSAGE
(a) If the lane departure alert system is not functioning properly, the driver
is warned b ...
Other materials:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the intuitive parking assist
system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
Check Bus 5 Line for Short to GND
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and GND when there
is no resistance between terminal 15 (CA5H) of the central gateway ECU (network
gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 16 (CA5L) of the central
gateway ECU (network gateway ECU) and ...
Front Occupant Classification Sensor RH Collision Detection (B1786)
DESCRIPTION
DTC B1786 is set when the occupant detection ECU receives a collision detection
signal, which is sent by the front occupant classification sensor RH when an accident
occurs.
DTC B1786 is also set when the front seat with adjuster frame assembly RH is
subjected to a strong impact, ...
