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Home >> Toyota >> 2017 >> Highlander XLE, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (SFI System [2GR-FE] - Diagnostic Codes - (Except Hybrid) (4 Of 5)) >> SFI System >> DTC P0171: System Too Lean (Bank 1); DTC P0172: System Too Rich (Bank 1); DTC P0174: System Too Lean (Bank 2); DTC P0175: System Too Rich (Bank 2) [08/2014 - 11/2016] >> Wiring Diagram

DTC P0171: System Too Lean (Bank 1); DTC P0172: System Too Rich (Bank 1); DTC P0174: System Too Lean (Bank 2); DTC P0175: System Too Rich (Bank 2) [08/2014 - 11/2016]: Wiring Diagram

WARNING: This page is about a different car, the 2016 Toyota Highlander, 2015 Toyota Highlander, and 2014 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0102 for the mass air flow meter sub-assembly circuit.

Refer to WIRING DIAGRAM

Refer to DTC P2195 for the air fuel ratio sensor circuit.

Refer to WIRING DIAGRAM

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