2GR-FE ENGINE CONTROL SYSTEM
– SFI SYSTEM
ES–373
ES
HINT:
•
DTCs P2238, P2239, P2252 and P2253 indicate malfunctions related to the bank 1 A/F sensor circuit.
•
DTCs P2241, P2242, P2255 and P2256 indicate malfunctions related to the bank 2 A/F sensor circuit.
•
Bank 1 refers to the bank that includes cylinder No. 1.
•
Bank 2 refers to the bank that includes cylinder No. 2.
DTC No.
DTC Detection Condition
Trouble Area
P2238
P2241
•
Case 1:
Condition (a) or (b) continues for 5.0 seconds or more
(1 trip detection logic):
(a) AF+ voltage is 0.5 V or less
(b) (AF+) - (AF-) = 0.1 V or less
•
Case 2:
A/F sensor admittance: Less than 0.022 1/
Ω
(2 trip detection logic)
•
Open or short in A/F sensor (bank 1, 2 sensor 1)
circuit
•
A/F sensor (bank 1, 2 sensor 1)
•
A/F sensor heater
•
A/F sensor heater relay
•
A/F sensor heater and relay circuits
•
ECM
P2239
P2242
AF+ voltage is more than 4.5 V for 5.0 seconds or more
(2 trip detection logic)
•
Open or short in A/F sensor (bank 1, 2 sensor 1)
circuit
•
A/F sensor (bank 1, 2 sensor 1)
•
A/F sensor heater
•
A/F sensor heater relay
•
A/F sensor heater and relay circuits
•
ECM
P2252
P2255
AF- voltage is 0.5 V or less for 5.0 seconds or more
(2 trip detection logic)
•
Open or short in A/F sensor (bank 1, 2 sensor 1)
circuit
•
A/F sensor (bank 1, 2 sensor 1)
•
A/F sensor heater
•
A/F sensor heater relay
•
A/F sensor heater and relay circuits
•
ECM
P2253
P2256
AF- voltage is more than 4.5 V for 5.0 seconds or more
(2 trip detection logic)
•
Open or short in A/F sensor (bank 1, 2 sensor 1)
circuit
•
A/F sensor (bank 1, 2 sensor 1)
•
A/F sensor heater
•
A/F sensor heater relay
•
A/F sensor heater and relay circuits
•
ECM
A
A
Element
Exhaust Gas
A-A Section
Platinum electrode
Cover
Air
Heater
Solid electrolyte
(Zirconia Element)
Rich - Air Fuel Ratio - Lean
Ideal Air-Fuel Mixture
Output Voltage
A107164E14
Содержание 2GR-FE
Страница 176: ...ES 20 2GR FE ENGINE CONTROL SYSTEM SFI SYSTEM ES NEXT 20 CONDUCT CONFIRMATION TEST END ...
Страница 247: ...2GR FE ENGINE CONTROL SYSTEM SFI SYSTEM ES 91 ES OK REPLACE ECM See page ES 518 ...
Страница 412: ...ES 256 2GR FE ENGINE CONTROL SYSTEM SFI SYSTEM ES A END ...
Страница 447: ...2GR FE ENGINE CONTROL SYSTEM SFI SYSTEM ES 291 ES OK REPLACE ECM See page ES 518 ...
Страница 556: ...ES 400 2GR FE ENGINE CONTROL SYSTEM SFI SYSTEM ES A REPLACE TCM ...
Страница 630: ...ES 474 2GR FE ENGINE CONTROL SYSTEM SFI SYSTEM ES OK REPLACE ECM See page ES 518 ...
Страница 651: ...2GR FE ENGINE CONTROL SYSTEM CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY ES 487 ES 22 INSTALL ENGINE UNDER COVER LH ...
Страница 658: ...2GR FE ENGINE CONTROL SYSTEM VVT SENSOR ES 493 ES 22 INSTALL ENGINE UNDER COVER LH ...
Страница 719: ...FU 6 2GR FE FUEL FUEL SYSTEM FU PARTS LOCATION ENGINE ROOM RELAY BLOCK ECM FUEL INJECTOR FUEL PUMP A136014E01 ...
Страница 897: ...2GR FE STARTING SMART KEY SYSTEM ST 35 ST OK REPLACE MAIN BODY ECU ...
Страница 923: ...2GR FE STARTING SMART KEY SYSTEM ST 61 ST OK REPLACE MAIN BODY ECU ...
Страница 935: ...2GR FE STARTING SMART KEY SYSTEM ST 73 ST OK REPLACE MAIN BODY ECU ...
Страница 940: ...ST 78 2GR FE STARTING SMART KEY SYSTEM ST OK REPLACE MAIN BODY ECU ...
Страница 958: ...ST 96 2GR FE STARTING SMART KEY SYSTEM ST OK END MAIN BODY ECU DEFECTIVE ...