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 MANUALSTOYOTA2014TACOMA BASE, 2D PICKUP, 4WD, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM (2TR-FE) (DIAGNOSTIC CODES (P1604-P2610) & CIRCUIT TESTS))
2014 Toyota Tacoma Base, 2D Pickup, 4WD, Standard Trans
Engine Control System (2TR-FE) (Diagnostic Codes (P1604-P2610) & Circuit Tests))
2014 Toyota Tacoma Base, 2D Pickup, 4WD, Standard TransSECTION Engine Control System (2TR-FE) (Diagnostic Codes (P1604-P2610) & Circuit Tests))
- SFI System
- DTC P1604: Startability Malfunction [09/2013 - ]
- DTC P1607: Cruise Control Input Processor [09/2013 - ]
- DTC P1613: Secondary Air Injection System Driver [09/2013 - ]
- DTC P2102: Throttle Actuator Control Motor Circuit Low; DTC P2103: Throttle Actuator Control Motor Circuit High [09/2013 - ]
- DTC P2109: Throttle / Pedal Position Sensor "A" Minimum Stop Performance [09/2013 - ]
- DTC P2111: Throttle Actuator Control System - Stuck Open; DTC P2112: Throttle Actuator Control System - Stuck Closed [09/2013 - ]
- DTC P2118: Throttle Actuator Control Motor Current Range / Performance [09/2013 - ]
- DTC P2119: Throttle Actuator Control Throttle Body Range / Performance [09/2013 - ]
- DTC P2120: Throttle / Pedal Position Sensor / Switch "D" Circuit; DTC P2122: Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input; DTC P2123: Throttle / Pedal Position Sensor / Switch "D" Circuit High Input; DTC P2125: Throttle / Pedal Position Sensor / Switch "E" Circuit; DTC P2127: Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input; DTC P2128: Throttle / Pedal Position Sensor / Switch "E" Circuit High Input; DTC P2138: Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation [09/2013 - ]
- DTC P2121: Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance [09/2013 - ]
- DTC P2195: Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1); DTC P2196: Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1) [09/2013 - ]
- DTC P219A: Bank 1 Air-Fuel Ratio Imbalance [09/2013 - ]
- DTC P2237: Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1); DTC P2238: Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1); DTC P2239: Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1); DTC P2252: Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1); DTC P2253: Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1) [09/2013 - ]
- DTC P2420: Evaporative Emission System Switching Valve Control Circuit High [09/2013 - ]
- DTC P2431: Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range / Performance Bank1; DTC P2432: Secondary Air Injection System Air Flow / Pressure Sensor Circuit Low Bank1; DTC P2433: Secondary Air Injection System Air Flow / Pressure Sensor Circuit High Bank1 [09/2013 - ]
- DTC P2440: Secondary Air Injection System Switching Valve Stuck Open Bank1; DTC P2441: Secondary Air Injection System Switching Valve Stuck Close Bank1 [09/2013 - ]
- DTC P2444: Secondary Air Injection System Pump Stuck On Bank1; DTC P2445: Secondary Air Injection System Pump Stuck Off Bank1 [09/2013 - ]
- DTC P2610: ECM / PCM Internal Engine Off Timer Performance [09/2013 - ]
- Circuit Tests
RENDER: 1.0x
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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.