Sequoia 4WD V8-5.7L (3UR-FE) (2009)
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3. INSPECT INTEGRATION RELAY (EFI)
(a) Measure the resistance of the EFI No. 1 fuse.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
If the result is not as specified, replace the EFI No. 1 fuse.
(b) Measure the resistance of the EFI MAIN relay circuit.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
If the result is not as specified, replace the integration relay.
4. INSPECT INTEGRATION RELAY (A/F)
(a) Measure the resistance of the A/F fuse.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
If the result is not as specified, replace the A/F fuse.
(b) Measure the resistance of the A/F sensor heater relay circuit.
(1) Measure the resistance according to the value(s) in the table below.
