Toyota Tacoma (2015-2018) Service Manual: Diagnosis System
DIAGNOSIS SYSTEM
DIAGNOSIS FUNCTION
(a) If a malfunction is detected in the forward recognition camera, the forward recognition camera stores a DTC without directly informing the driver via indicator lights, and then notifies the systems that use the forward recognition camera. Those systems then notify the driver.
Utility
UTILITY
NOTICE:
If the forward recognition camera has been replaced with a new one or
the windshield glass has been removed and installed, it is necessary to
perform Forward Recognit ...
Dtc Check / Clear
DTC CHECK / CLEAR
CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / Front Recognition Came ...
Other materials:
Mirror Heater does not Operate with Rear Defogger Switch
DESCRIPTION
When the mirror heater switch on the air conditioning control assembly is pressed,
the operation signal is sent to the air conditioning amplifier assembly. When the
air conditioning amplifier assembly receives the signal, it turns on a relay in
the air conditioning amplifier assem ...
Diagnosis System
DIAGNOSIS SYSTEM
CHECK DLC3
(a) Check the DLC3.
Click here
FUNCTION OF WARNING INDICATOR AND MESSAGE
(a) If the lane departure alert system is not functioning properly, the driver
is warned by the lane departure alert indicator and multi-information display warning
message on the combinat ...
Check Bus 3 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Detection Item
Trouble Area
Resis ...
