Toyota Yaris: Steering Column / Steering Heater Switch
Components
COMPONENTS
ILLUSTRATION
| *1 | STEERING HEATER SWITCH | - | - |
Removal
REMOVAL
PROCEDURE
1. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL ASSEMBLY
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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. | |
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
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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...
Other information:
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Categories

Smart key
Auxiliary key
Key code number plate
To use the auxiliary key, press the knob and pull out the auxiliary key
from the smart key.

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