Diesel Data: Automotive Repair

Seat Temperature Element: Testing and Inspection





Inspection

First Seat Heater
1. Check for continuity and measure the resistance between No.1 and NO.4 terminals.










Standard value (Leather)
Cushion :1.25 Ohms ± 10%
Back :1.24 Ohms ± 10%
Set :2.49 Ohms ± 10%

Standard value (Fabric)
Cushion :1.96 Ohms ± 10%
Back :1.17 Ohms ± 10%
Set :2.63 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
Cushion :
1 Step : 40 ± 2°C(104 ± 3.6°F)
2 Step : 42 ± 2°C(107.6 ± 3.6°F)
Back :
1 Step : 46 ± 2°C(114.8 ± 3.6°F)
2 Step : 52 ± 2°C(125.6 ± 3.6°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.4 terminals.










Standard value (Leather & Bench type)
Cushion :0.97 Ohms ± 10%
Back :1.18 Ohms ± 10%
Set :2.15 Ohms ± 10%

Standard value (Fabric & Split type)
Cushion :3.62 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
Cushion :
1 Step : 40 ± 2°C(104 ± 3.6°F)
2 Step : 42 ± 2°C(107.6 ± 3.6°F)
Back :
1 Step : 46 ± 2°C(114.8 ± 3.6°F)
2 Step : 52 ± 2°C(125.6 ± 3.6°F)