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2007
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Tacoma PreRunner, 2D Pickup
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Repair and Diagnosis
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Engine Performance
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Engine Control System (2TR-FE)
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EFI Relay
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Inspection
EFI Relay: Inspection
INSPECT EFI RELAY
Check the resistance.
Using an ohmmeter, measure the resistance between the terminals.
Standard
STANDARD REFERENCE CHART
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 E.F.I. relay.
Fig 1: Measuring Resistance Between Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.