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:

How To Proceed With Troubleshooting
PROCEDURE 1. CHECK TIRE AND WHEEL SYSTEM DIAGNOSIS OF IRREGULAR TIRE WEAR GO TO STEP 11 DIAGNOSIS OF TIRE VIBRATION 2. TIGHTEN WHEEL NUTS ...

Front Radar Sensor (C1A10)
DESCRIPTION C1A10 is output when there is an internal malfunction in the millimeter wave radar sensor assembly. DTC No. Detection Item DTC Detection Condition Trouble Area MIL C1A10 Front Radar Sensor W ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the air conditioning system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT ...

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