Toyota Tacoma 2015-2018 Service Manual: Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY
|
(a) Check the operation of the front seat cushion heater assembly. (1) Apply battery voltage and check the operation of the front seat cushion heater assembly. OK:
NOTICE: Immediately after confirming that the front seat cushion heater assembly is functioning normally, remove the battery leads. Failing to do so may cause the front seat cushion heater assembly to overheat. If the result is not as specified, replace the front seat cushion heater assembly. |
|
(b) Check the operation of the thermostat.
(1) Apply battery voltage and check the operation of the front seat cushion heater assembly.
OK:
|
Connection |
Condition |
Specified Condition |
|---|---|---|
|
Battery positive (+) → Terminal A-3 Battery negative (-) → Terminal C-5 |
Always |
Seat cushion heater temperature becomes below 55°C (129°F) |
NOTICE:
Immediately after confirming that the front seat cushion heater assembly is functioning normally, remove the battery leads. Failing to do so may cause the front seat cushion heater assembly to overheat.
If the result is not as specified, replace the front seat cushion heater assembly.
(c) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Connection |
Specified Condition |
|---|---|---|
|
A-1 - C-3 |
Always |
Below 1 Ω |
|
A-2 - C-1 |
Always |
Below 1 Ω |
|
A-5 - C-5 - B-2 |
Always |
Below 1 Ω |
Components
COMPONENTS
ILLUSTRATION
*A
for Driver Side
-
-
*1
FRONT SEAT CUSHION HEATER ASSEMBLY
*2
SEPARATE TYPE ...
Removal
REMOVAL
PROCEDURE
1. REMOVE FRONT SEAT ASSEMBLY (for Driver Side)
(See page )
2. REMOVE FRONT SEAT ASSEMBLY (for Front Passenger Side)
(See page )
3. REMOVE SEPARATE TYPE FRONT SEAT CUSHION CO ...
Other materials:
Illumination Circuit
DESCRIPTION
Power is supplied to the radio and display receiver assembly and steering pad
switch assembly illumination when the light control switch is in the TAIL or HEAD
position.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
The vehicle is equipped with a Supplemental Restrain ...
Propeller Shaft System
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. Che ...
System Diagram
SYSTEM DIAGRAM
Circuit Description
Component
Outline
Steering Lock ECU (Steering Lock Actuator or UPR Bracket Assembly)
The steering is locked and unlocked by communicating with the
certification ECU (smart key ECU assembly) via L ...