Toyota Tacoma (2015-2018) Service Manual: Operation Check
OPERATION CHECK
1. CHECK SEAT HEATER
(a) Turn the ignition switch to ON.
(b) Check that the indicator illuminates and the surface of the front seat warms up, when the seat heater switch on the air conditioning control assembly is turned on.
(c) Check that the front seat surface temperature changes according to the operation of the seat heater switch on the air conditioning control assembly as follows: HI → MID → LO.
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use this procedure to troubleshoot the seat heater system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
...
System Description
SYSTEM DESCRIPTION
1. FRONT SEAT HEATER
(a) By operating the seat heater switch on the air conditioning control assembly,
the temperature can be controlled within the range of 36 to 42.2°C (96 to ...
Other materials:
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 listed in order of probability in the "Suspected Area" column of the
table. Check each sy ...
Transfer L4 Position Switch Circuit (C1268)
DESCRIPTION
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
C1268
Transfer L4 Position Switch Circuit
Either of the following is detected:
The skid control ECU (brake actuator assembly) dete ...
Front Camera Module Incorrect Axial Gap (C1AA8)
DESCRIPTION
If the millimeter wave radar sensor assembly detects that the beam axis of the
forward recognition camera is misaligned, it will store DTC C1AA8.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
C1AA8
...
