Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2011FJ CRUISER 2WD V6-4.0L (1GR-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSOXYGEN SENSOR RELAYTESTING AND INSPECTION
2011 Toyota FJ Cruiser 2WD V6-4.0L (1GR-FE)
Oxygen Sensor Relay: Testing and Inspection
2011 Toyota FJ Cruiser 2WD V6-4.0L (1GR-FE)SECTION Testing and Inspection
1GR-FE ENGINE CONTROL SYSTEM: A/F SENSOR HEATER RELAY: ON-VEHICLE INSPECTION
1. REMOVE AIR FUEL RATIO SENSOR HEATER RELAY
(a) Remove the upper relay block cover.
(b) Remove the air fuel ratio sensor heater relay.
Text in Illustration
2. INSPECT AIR FUEL RATIO SENSOR HEATER RELAY
(a) Check the resistance.
(1) Using an ohmmeter, measure the resistance between the terminals.
Standard Resistance:
If the result is not as specified, replace the air fuel ratio sensor heater relay.
3. INSTALL AIR FUEL RATIO SENSOR HEATER RELAY
(a) Install the air fuel ratio sensor heater relay.
(b) Install the upper relay block cover.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.