Relay

Inspection

AIR CONDITIONER

RELAY

UNIT INSPECTION

1. Inspection of heater relay

(1) Resistance check

(a) Check the resistance between the connector terminals.

Resistance

Inspection terminals	Inspection conditions	Standard value
3 ←→ 5	Always	10 kΩ or more
3 ←→ 5	Apply battery voltage between terminals 1 and 2.	Less than 1 Ω

Inspection terminals	Inspection conditions	Standard value
3 ←→ 4	Always	Less than 1 Ω
3 ←→ 4	Apply battery voltage between terminals 1 and 2.	10 kΩ or more
3 ←→ 5	Always	10 kΩ or more
3 ←→ 5	Apply battery voltage between terminals 1 and 2.	Less than 1 Ω