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:

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 ...

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE NO. 1 HEATER TO REGISTER DUCT (a) Remove the 2 screws <F> and screw <D>. (b) Disengage the 2 guides to remove the No. 1 heater to register duct. 2. REMOVE NO. 3 HEATER TO REGISTER DUCT ...

Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The procedure listed below is for the LH side. PROCEDURE 1. INSTALL FRONT COIL SPRING (a) Install SST to the front coil spring, and secure SST in a vise. SST: 09727-00 ...

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