Toyota Tacoma manuals

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:

Connection

Condition

Specified Condition

Battery positive (+) → Terminal A-3

Battery negative (-) → Terminal C-5

Always

Seat cushion heater becomes warm

Battery positive (+) → Terminal A-3

Battery negative (-) → Terminal B-1

Always

Seat cushion heater becomes warm

Text in Illustration

*a

Component without harness connected

(Front Seat Cushion Heater Assembly)

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 ...

© 2011-2021 Copyright www.ttguide.net