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Toyota Truck
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2007
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Highlander 4WD V6-3.3L (3MZ-FE) Hybrid
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Repair and Diagnosis
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Powertrain Management
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Relays and Modules - Powertrain Management
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Relays and Modules - Computers and Control Systems
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Oxygen Sensor Relay
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Testing and Inspection
Oxygen Sensor Relay: Testing and Inspection
INSPECTION
INSPECT AIR FUEL RATIO SENSOR RELAY
Using an ohmmeter, measure the resistance according to the value(s) in the table.
If the result is not as specified, replace the relay.