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2AZ-FE Engine Control System
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EFI Relay
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On-Vehicle Inspection
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On-Vehicle Inspection
REMOVE EFI RELAY (Marking: EFI)
Remove the engine room relay block cover.
Remove the EFI relay from the engine room relay block.
INSPECT EFI RELAY
Measure the EFI relay resistance.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITION CHART
Tester Connection
Specified Condition
3-5
10 kΩ or higher
3-5
Below 1 Ω (when battery voltage is applied to terminals 1 and 2)
If the result is not as specified, replace the relay.
Fig 1: EFI Relay Circuit
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL EFI RELAY