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HOMESERVICE MANUALSTOYOTA2009FJ CRUISER RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM - DTC P0010 - P0175DTC 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)TYPICAL ENABLING CONDITIONS
2009 Toyota FJ Cruiser RWD

Typical Enabling Conditions

2009 Toyota FJ Cruiser RWDSECTION Typical Enabling Conditions

Fuel-trim: 

TYPICAL ENABLING CONDITIONS CHART

Monitor runs whenever following DTCs not present P0010, P0020 (OCV Bank 1, 2)
P0011 (VVT System 1 -Advance)
P0012 (VVT System 1 - Retard)
P0021 (VVT System 2 - Advance)
P0022 (VVT System 2 - Retard)
P0031, P0032, P0051, P0052 (A/F sensor heater - Sensor 1)
P0100-P0103 (MAF meter)
P0115-P0118 (ECT sensor)
P0120 - P0223, P2135 (TP sensor)
P0125 (Insufficient ECT for closed loop)
P0335 (CKP sensor)
P0340 (CMP sensor)
P0351 - P0356 (Igniter)
P0500 (VSS)
Fuel system status Closed-loop
Battery voltage 11 V or more
Either of following conditions 1 or 2 set -
1. Engine RPM Below 1,100 rpm
2. Intake air amount per revolution 0.22 g/rev or more
Catalyst monitor No executed
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.