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:
All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch or Door
Key Cylinder
DESCRIPTION
The main body ECU (multiplex network body ECU) receives switch signals from the
power window regulator master switch assembly and driver door key cylinder lock
or unlock switch signals from the front door lock assembly. The main body ECU (multiplex
network body ECU) activates the ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The certification ECU (smart key ECU assembly) and ECM control the vehicle
engine immobiliser system functions. Engine immobiliser system data and Diagnostic
Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3).
In some cases, a ...
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 ...
