Related DTCS

DTC No.	SAE	Monitoring Item	Link
P0171-00	P0171	Purge VSV stuck open*	Refer to DTC P0171-00: System Too Lean Bank 1; DTC P0172-00: System Too Rich Bank 1; DTC P1170-00: Fuel Performance/Port Injector; DTC P117B-00: Fuel Performance/Direct Injector [10/2014 - 09/2017] , or refer to DTC P0171-00: System Too Lean Bank 1; DTC P0172-00: System Too Rich Bank 1; DTC P1170-00: Fuel Performance/Port Injector; DTC P117B-00: Fuel Performance/Direct Injector [09/2017 - 05/2018]
P043E-00	P043E	Reference orifice clogged (built into canister pump module)	Refer to DTC P043E-00: Evaporative Emission System Leak Detection Reference Orifice Low Flow; DTC P043F-00: Evaporative Emission System Leak Detection Reference Orifice High Flow; DTC P2400-7E: Evaporative Emission System Leak Detection Pump Control Circuit Actuator Stuck On; DTC P2400-7F: Evaporative Emission System Leak Detection Pump Control Circuit Actuator Stuck Off; DTC P2418-7E: Evaporative Emission System Switching Valve Control Circuit Actuator Stuck On [10/2014 - 09/2015] , or refer to DTC P043E-00: Evaporative Emission System Leak Detection Reference Orifice Low Flow; DTC P043F-00: Evaporative Emission System Leak Detection Reference Orifice High Flow; DTC P2400-7E: Evaporative Emission System Leak Detection Pump Control Circuit Actuator Stuck On; DTC P2400-7F: Evaporative Emission System Leak Detection Pump Control Circuit Actuator Stuck Off; DTC P2418-7E: Evaporative Emission System Switching Valve Control Circuit Actuator Stuck On [09/2015 - 05/2018]
P043F-00	P043F	Reference orifice high-flow (built into canister pump module)
P0441-9C	P0441	Purge VSV (Vacuum Switching Valve) stuck closed No. 1 check valve stuck closed Purge flow	Refer to DTC P0441-9C: Evaporative Emission System Incorrect Purge Flow Low/Insufficient Flow [10/2014 - 05/2018]
P0450-11	P0452	Canister pressure sensor (built into canister pump module) voltage low	Refer to DTC P0450-11: Evaporative Emission System Pressure Sensor/Switch Circuit Short to Ground; DTC P0450-15: Evaporative Emission System Pressure Sensor/Switch Circuit Short to Battery or Open; DTC P0450-2F: Evaporative Emission System Pressure Sensor/Switch Signal Erratic [10/2014 - ]
P0450-15	P0453	Canister pressure sensor (built into canister pump module) voltage high
P0450-2F	P0451	Canister pressure sensor (built into canister pump module) signal noise
P0455-00	P0455	EVAP gross leak	Refer to DTC P0455-00: Evaporative Emission System Leak Detected (Large Leak); DTC P0456-00: Evaporative Emission System Leak Detected (Very Small Leak) [10/2014 - 05/2018]
P0456-00	P0456	EVAP small leak
P148D-7E	P148D	No. 1 check valve stuck open	Refer to DTC P148D-7E: Purge One Way Valve Stuck Open [10/2014 - 05/2018]
P2400-7E	P2402	Leak detection pump stuck on (built into canister pump module)	Refer to DTC P043E-00: Evaporative Emission System Leak Detection Reference Orifice Low Flow; DTC P043F-00: Evaporative Emission System Leak Detection Reference Orifice High Flow; DTC P2400-7E: Evaporative Emission System Leak Detection Pump Control Circuit Actuator Stuck On; DTC P2400-7F: Evaporative Emission System Leak Detection Pump Control Circuit Actuator Stuck Off; DTC P2418-7E: Evaporative Emission System Switching Valve Control Circuit Actuator Stuck On [10/2014 - 09/2015] , or refer to DTC P043E-00: Evaporative Emission System Leak Detection Reference Orifice Low Flow; DTC P043F-00: Evaporative Emission System Leak Detection Reference Orifice High Flow; DTC P2400-7E: Evaporative Emission System Leak Detection Pump Control Circuit Actuator Stuck On; DTC P2400-7F: Evaporative Emission System Leak Detection Pump Control Circuit Actuator Stuck Off; DTC P2418-7E: Evaporative Emission System Switching Valve Control Circuit Actuator Stuck On [09/2015 - 05/2018]
P2400-7F	P2401	Leak detection pump stuck off (built into canister pump module)
P2418-7E	P2419	Vent valve stuck closed (built into canister pump module)
P2418-7F	P2420	Vent valve stuck open (vent) (built into canister pump module)	Refer to DTC P2418-7F: Evaporative Emission System Switching Valve Control Circuit Actuator Stuck Off [10/2014 - 05/2018]
P2610-29	P2610	Soak timer (built into ECM)	Refer to DTC P2610-29: ECM/PCM Engine Off Timer Performance Signal Invalid; DTC P2610-93: ECM/PCM Engine Off Timer Performance No Operation [10/2014 - ]
P2610-93	P2610	Soak timer (built into ECM)

*: If Purge VSV is stuck open, air is sucked in from Purge VSV, and the air fuel ratio becomes Lean and stores P0171-00.

If any EVAP system DTCs are output, the malfunctioning area can be determined using the table below.

Fig 1: EVAP System Malfunctioning Area Table (1 Of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: EVAP System Malfunctioning Area Table (2 Of 2)

NOTE:

If the reference pressure difference between the first and second checks is more than the specification, all the DTCs relating to the reference pressure (P043E-00, P043F-00, P2400-7E, P2400-7F and P2418-7E) will all be stored.