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Tacoma X-Runner
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Engine Control System (1GR-FE)
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Circuit Opening Relay
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Inspection
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Circuit Opening Relay: Inspection
INSPECT CIRCUIT OPENING RELAY ASSEMBLY
Check the resistance.
Using an ohmmeter, measure the resistance between the terminals.
Fig 1: Identifying Circuit Opening Relay
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard
STANDARD REFERENCE
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.