Toyota Yaris: Seat Heater Switch / Inspection
INSPECTION
PROCEDURE
1. INSPECT SEAT HEATER SWITCH (for LH Side)
| (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
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(b) Check the indicator illuminates.
(1) Apply battery voltage to the seat heater switch and check that the seat heater switch indicator illuminates.
OK:| Measurement Connection | Switch Condition | Specified Condition |
|---|---|---|
| If the result is not as specified, replace the seat heater switch. | ||
| Battery positive (+) → H135-6 (IG) Battery negative (-) → H135-3 (E) | "HI" switch on | illuminates |
| Battery positive (+) → H135-6 (IG) Battery negative (-) → H135-3 (E) | "LO" switch on | illuminates |
(c) Check the illuminates.
(1) Apply battery voltage to the seat heater switch and check that the seat heater switch illuminates.
OK:| Measurement Connection | Switch Condition | Specified Condition |
|---|---|---|
| If the result is not as specified, replace the seat heater switch. | ||
| Battery positive (+) → H135-5 (ILL+) Battery negative (-) → H135-2 (ILL-) | Always | illuminates |
2. INSPECT SEAT HEATER SWITCH (for RH Side)
| (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
| ||||||||||||||||||||||
(b) Check the indicator illuminates.
(1) Apply battery voltage to the seat heater switch and check that the seat heater switch indicator illuminates.
OK:| Measurement Connection | Switch Condition | Specified Condition |
|---|---|---|
| If the result is not as specified, replace the seat heater switch. | ||
| Battery positive (+) → H134-6 (IG) Battery negative (-) → H134-3 (E) | "HI" switch on | illuminates |
| Battery positive (+) → H134-6 (IG) Battery negative (-) → H134-3 (E) | "LO" switch on | illuminates |
(c) Check the illuminates.
(1) Apply battery voltage to the seat heater switch and check that the seat heater switch illuminates.
OK:| Measurement Connection | Switch Condition | Specified Condition |
|---|---|---|
| If the result is not as specified, replace the seat heater switch. | ||
| Battery positive (+) → H134-5 (ILL+) Battery negative (-) → H134-2 (ILL-) | Always | illuminates |
Removal
REMOVAL PROCEDURE 1. REMOVE SWITCH HOLE BASE SUB-ASSEMBLY Click here
2. REMOVE SEAT HEATER SWITCH (a) Disengage claws to remove the seat heater switch HINT: Use the same procedures for the opposite side...
Installation
INSTALLATION PROCEDURE 1. INSTALL SEAT HEATER SWITCH (a) Engage the claws to install the seat heater switch. HINT: Use the same procedures for the opposite side...
Other information:
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Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Servo Motor LIN Communication Bus off (B142A88)
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Refueling
Before refueling, close all the doors, windows, and the liftgate/trunk lid, and switch the ignition OFF.
To open the fuel-filler lid, pull the remote fuel-filler lid release.
