Seat Temperature Element: Testing and Inspection

Inspection

First Seat Heater
1. Check for continuity and measure the resistance between terminals.

[Cushion]





[Back]





Standard value (Fabric / Leather)
Cushion :4.77 Ohms ± 10%
Back4.30 Ohms ± 10% / 4.13 Ohms ± 10%
Set :9.07 Ohms ± 10% / 8.9 Ohms ± 10%

2. Operate the seat heater after connecting the connector, and then check the thermostat by measuring the temperature of seat surface.

Standard value (Fabric / Leather)
Cushion:40 ± 2°C (104 ± 35.6°F)
Back :46 ± 2°C (114.8 ± 35.6°F)

3. Check for continuity between the terminals after disconnecting the connector.





2nd Seat Heater
1. Check for continuity and measure the resistance between No.1 and NO.3 terminals.





Standard value (Bench / Split)
Cushion :1.53 Ohms ± 10% / 4.05 Ohms ± 10%
Back :1.35 Ohms ± 10%
Set :2.88 Ohms ± 10%

2. Operate the seat warmer after connecting the 3P connector, and then check the thermostat by measuring the temperature of seat surface.

Standard value (Bench / Split)
Cushion :40° ± 2°C / 40° ± 2°C (104 ± 35.6°F)
Back :46° ± 2°C (114.8 ± 35.6°F)