Circuit Opening Relay: Inspection

INSPECT CIRCUIT OPENING RELAY

Fig 1: Identifying Circuit Opening Relay

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Check the resistance.

Using an ohmmeter, measure the resistance between the terminals.

Standard resistance

RESISTANCE SPECIFICATION

Tester Connection	Specified Condition
3 - 5	10 kΩ or higher
3 - 5	Below 1 Ω (Apply battery voltage to terminals 1 and 2)

If the result is not as specified, replace the circuit opening relay.