ES–180
2GR-FE ENGINE CONTROL SYSTEM
– SFI SYSTEM
ES
DTC No.
DTC Detection Condition
Trouble Area
P0136
P0156
•
Abnormal voltage output:
During active air-fuel ratio control, following
conditions (a) and (b) are met for a certain
period of time (2 trip detection logic)
(a) Heated Oxygen (HO2) sensor voltage does
not decrease to less than 0.2 V
(b) HO2 sensor voltage does not increase to
more than 0.6 V
•
Low impedance:
Sensor impedance is less than 5
Ω
for more
than 30 seconds when ECM presumes sensor
to being warmed up and operating normally (2
trip detection logic)
•
Open or short in HO2 sensor (bank 1, 2 sensor 2)
circuit
•
HO2 sensor (bank 1, 2 sensor 2)
•
HO2 sensor heater (bank 1, 2 sensor 2)
•
Air-Fuel Ratio (A/F) sensor (bank 1, 2 sensor 1)
•
Engine room junction block (EFI relay)
•
Gas leakage from exhaust system
P0137
P0157
•
Low voltage (open):
During active air-fuel ratio control, following
conditions (a) and (b) are met for a certain
period of time (2 trip detection logic)
(a) HO2 sensor voltage output less than 0.21 V
(b) Target air-fuel ratio rich
•
High impedance:
Sensor impedance is 15 k
Ω
or more for more
than 90 seconds when ECM presumes sensor
to being warmed up and operating normally (2
trip detection logic)
•
Open in HO2 sensor (bank 1, 2 sensor 2) circuit
•
HO2 sensor (bank 1, 2 sensor 2)
•
HO2 sensor heater (bank 1, 2 sensor 2)
•
Engine room junction block (EFI relay)
•
Gas leakage from exhaust system
P0138
P0158
•
High voltage (short):
During active air-fuel ratio control, following
conditions (a) and (b) are met for a certain
period of time (2 trip detection logic)
(a) HO2 sensor voltage output 0.59 V or more
(b) Target air-fuel ratio lean
•
Extremely high voltage (short):
HO2 sensor voltage output exceeds 1.2 V for
more than 30 seconds (2 trip detection logic)
•
Short in HO2 sensor (bank 1, 2 sensor 2) circuit
•
HO2 sensor (bank 1, 2 sensor 2)
•
ECM internal circuit malfunction
Atmospheric Air
Housing
Platinum Electrode
Output Voltage
Ideal Air Fuel Mixture
Exhaust Gas
Solid Electrolyte
(Zirconia Element)
Coating (Ceramic)
Heater
Cover
Richer - Air Fuel Ratio - Leaner
A115539E08
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 ...