Toyota Yaris: Front Seat Cushion Heater / Inspection

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Vehicle Interior / Seat / Front Seat Cushion Heater / Inspection

INSPECTION

PROCEDURE

1. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY LH

(a) Check the resistance.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
If the result is not as specified, replace the front seat cushion heater assembly LH.
O58-6 - A-1	Seat heater temperature 20°C (68°F)	Below 1 Ω
O58-7 - A-2	Seat heater temperature 20°C (68°F)	1.57 to 1.93 Ω
O58-5 - A-3	Seat heater temperature 20°C (68°F)	2.84 to 3.48 Ω

*a	Component without harness connected (Front Seat Cushion Heater Assembly LH)

2. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY RH

(a) Check the resistance.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
If the result is not as specified, replace the front seat cushion heater assembly RH.
O57-6 - A-1	Seat heater temperature 20°C (68°F)	Below 1 Ω
O57-7 - A-2	Seat heater temperature 20°C (68°F)	1.57 to 1.93 Ω
O57-5 - A-3	Seat heater temperature 20°C (68°F)	2.84 to 3.48 Ω

*a	Component without harness connected (Front Seat Cushion Heater Assembly RH)

Removal

REMOVAL CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. HINT: When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating...

Installation

INSTALLATION CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. HINT: Use the same procedure for the driver side and front passenger side...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Reassembly

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Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Engine Coolant Temperature Sensor 1 Circuit Short to Ground (P011511)

DESCRIPTION A thermistor, whose resistance value varies according to the engine coolant temperature, is built into the engine coolant temperature sensor. The structure of the sensor and its connection to the ECM are the same as those of the intake air temperature sensor...