ES–126
2GR-FE ENGINE CONTROL SYSTEM
– SFI SYSTEM
ES
P0037 and P0057:
P0038 and P0058 (Case 1):
P0038 and P0058 (Case 2):
P0141 and P0161:
TYPICAL MALFUNCTION THRESHOLDS
P0037 and P0057:
P0038 and P0058:
P0141 and P0161 (Heater performance monitor check):
COMPONENT OPERATING RANGE
MONITOR RESULT
Refer to CHECKING MONITOR STATUS (See page
ES-25
).
WIRING DIAGRAM
Refer to DTC P0136 (See page
ES-178
).
INSPECTION PROCEDURE
HINT:
Read freeze frame data using the intelligent tester. The ECM records vehicle and driving condition
information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data
can be helpful in determining whether the vehicle was running or stopped, whether the engine was
warmed up or not, whether the air-fuel ratio was lean or rich, as well as other data recorded at the time of
a malfunction (See page
ES-45
).
Battery voltage
10.5 to 20 V
Battery voltage
10.5 V or more
Engine
Running
Starter
OFF
Battery voltage
10.5 to 20 V
One of the following conditions is met:
Condition A or B
A. All of the following conditions are met:
Conditions 1, 2, 3, 4 and 5
1. Battery voltage
10.5 V or more
2. Fuel cut
OFF
3. Time after fuel cut ON to OFF
30 seconds or more
4. Accumulated heater ON time
100 seconds or more
5. Learned heater OFF current operation
Completed
B. Duration that rear heated oxygen sensor impedance is less than 15
k
Ω
2 seconds or more
Heater current
Less than 0.3 A
One of the following conditions is met:
Condition A or B
A. Learned heater OFF current
More than 2 A
B. Heater current
2 A or more
Accumulated heater resistance
Varies with sensor element temperature (Example: More than 23 ohm)
Heated Oxygen (HO2) sensor heater current
0.4 to 1 A (when engine idles, HO2 sensor warmed up and battery
voltage 11 to 14 V)
Summary of Contents for 2GR-FE
Page 176: ...ES 20 2GR FE ENGINE CONTROL SYSTEM SFI SYSTEM ES NEXT 20 CONDUCT CONFIRMATION TEST END ...
Page 247: ...2GR FE ENGINE CONTROL SYSTEM SFI SYSTEM ES 91 ES OK REPLACE ECM See page ES 518 ...
Page 412: ...ES 256 2GR FE ENGINE CONTROL SYSTEM SFI SYSTEM ES A END ...
Page 447: ...2GR FE ENGINE CONTROL SYSTEM SFI SYSTEM ES 291 ES OK REPLACE ECM See page ES 518 ...
Page 556: ...ES 400 2GR FE ENGINE CONTROL SYSTEM SFI SYSTEM ES A REPLACE TCM ...
Page 630: ...ES 474 2GR FE ENGINE CONTROL SYSTEM SFI SYSTEM ES OK REPLACE ECM See page ES 518 ...
Page 658: ...2GR FE ENGINE CONTROL SYSTEM VVT SENSOR ES 493 ES 22 INSTALL ENGINE UNDER COVER LH ...
Page 897: ...2GR FE STARTING SMART KEY SYSTEM ST 35 ST OK REPLACE MAIN BODY ECU ...
Page 923: ...2GR FE STARTING SMART KEY SYSTEM ST 61 ST OK REPLACE MAIN BODY ECU ...
Page 935: ...2GR FE STARTING SMART KEY SYSTEM ST 73 ST OK REPLACE MAIN BODY ECU ...
Page 940: ...ST 78 2GR FE STARTING SMART KEY SYSTEM ST OK REPLACE MAIN BODY ECU ...
Page 958: ...ST 96 2GR FE STARTING SMART KEY SYSTEM ST OK END MAIN BODY ECU DEFECTIVE ...