Toyota Yaris: Steering Column / Steering Heater Switch

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Steering / Steering Column / Steering Heater Switch

Components

COMPONENTS

ILLUSTRATION

*1

STEERING HEATER SWITCH

-

-

Removal

REMOVAL

PROCEDURE

1. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL ASSEMBLY

Click here

2. REMOVE STEERING HEATER SWITCH

(a) Using a screwdriver with its tip wrapped with protective tape, disengage the claws to remove the steering heater switch.

*a

Protective Tape

Inspection

INSPECTION

PROCEDURE

1. INSPECT STEERING HEATER SWITCH

(a) Check the resistance.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

5 (IG) - 2 (B)

Steering heater switch is pushed

Below 1 Ω

5 (IG) - 2 (B)

Steering heater switch is not pushed

10 kΩ or higher

If the result is not as specified, replace the steering heater switch.

*a

Component without harness connected

(Steering Heater Switch)

(b) Check the indicator.

(1) Apply auxiliary battery voltage to the steering heater switch and check that the indicator illuminates.

OK:

Tester Connection

Condition

Specified Condition

2 (B) - 4 (E)

2 (B) → Auxiliary battery positive (+)

4 (E) → Auxiliary battery negative (-)

Indicator illuminates

If the result is not as specified, replace the steering heater switch.

*a

Component without harness connected

(Steering Heater Switch)

(c) Check the illumination.

(1) Apply auxiliary battery voltage to the steering heater switch and check that the illumination.

OK:

Tester Connection

Condition

Specified Condition

6 (ILL+) - 1 (ILL-)

6 (ILL+) → Auxiliary battery positive (+)

1 (ILL-) → Auxiliary battery negative (-)

Illumination illuminates

If the result is not as specified, replace the steering heater switch.

*a

Component without harness connected

(Steering Heater Switch)

Installation

INSTALLATION

PROCEDURE

1. INSTALL STEERING HEATER SWITCH

(a) Engage the claws to install the steering heater switch.

2. INSTALL LOWER INSTRUMENT PANEL FINISH PANEL ASSEMBLY

Click here

    Reassembly

    REASSEMBLY CAUTION / NOTICE / HINT NOTICE: Do not drop the power steering ECU assembly, strike it with tools or subject it to impacts. If the power steering ECU assembly is subjected to an impact, replace it with a new one...

    Steering Pad Switch

    ..

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