| Specification |
|
Item
|
Specification
| |
| Contact | Rated Voltage (V) | 450 |
| Rated Current (A) | 20 | |
| Coil | Operating Voltage (V) | 12 |
| Resistance (Ω) | 40.0 - 110.0 [20°C (68°F)] | |
DescriptionThe Power Relay Assembly (PRA) consists of the positive and negative main relays, pre-charge relay, pre-charge resistor and battery current sensor.
Circuit Diagram
Inspection1.Check the resistance of the ambient temperature sensor between terminals 1 and 2 whether it changes by changing the ambient temperature.1. Ambient Sensor (+)2. Sensor groundSpecification Ambient temperature [°C (°F)] Resistance between terminal 1 and 2 (
Inspection1.Connect the battery voltage and check the blower motor rotation.2.If the blower motor does not operate well, substitute with a known-good blower motor and check for proper operation.3.Replace the blower motor if it is proved that there is a problem with it.