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Toyota
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2017
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RAV4 Limited, FWD
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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SFI System [2AR-FE] (Diagnostic Codes) (Except Hybrid) (2 Of 7)
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SFI System
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DTC P0031, P0032, P101D; Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1) [11/2013 - 08/2014]
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Component Operating Range
Component Operating Range
P0031
Air fuel ratio sensor heater on current
0.8 A or higher
P0032
Both of the following conditions are met
-
Air fuel ratio sensor heater output
On
Heater monitor IC high current limiter monitor input
Pass
P101D
Air fuel ratio sensor heater off current
11 A or less