Circuit Opening Relay: Inspection

INSPECT CIRCUIT OPENING RELAY

Inspect circuit opening relay

Using an ohmmeter, measure the resistance between the terminals.

Fig 1: Identifying Circuit Opening Relay Terminals

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Resistance

RESISTANCE SPECIFIED CONDITIONS

Tester Connection	Specified Condition
1D-5 - 1D-3	10 kΩ or higher
1D-5 - 1D-3	Below 1 Ω (Apply battery voltage to terminals 1G-5 and 1H-9)

If the result is not as specified, replace the engine room junction block assembly.