ES–148
2GR-FE ENGINE CONTROL SYSTEM
– SFI SYSTEM
ES
(a) Disconnect the C2 MAF meter connector.
(b) Disconnect the C55 ECM connector.
(c) Measure the resistance between the terminals.
Standard resistance (Check for open)
Standard resistance (Check for short)
(d) Reconnect the MAF meter connector.
(e) Reconnect the ECM connector.
NG
OK
(a) Disconnect the C2 MAF meter connector.
(b) Connect the intelligent tester to the DLC3.
(c) Turn the ignition switch on (IG).
(d) Turn the tester on.
(e) Enter the following menus: DIAGNOSIS / ENHANCED
OBD II / DATA LIST / PRIMARY / INTAKE AIR.
(f)
Read the value displayed on the tester.
Standard:
-40
°
C (-40
°
F) or higher
(g) Reconnect the MAF meter connector.
OK
NG
4
CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER - ECM)
Wire Harness Side:
C2
ECM Connector
MAF Meter Connector
THA
THA
ETHA
E2
C55
A127959E14
Tester Connection
Specified Condition
THA (C55-71) - THA (C2-1)
Below 1
Ω
ETHA (C55-74) - E2 (C2-2)
Below 1
Ω
Tester Connection
Specified Condition
THA (C55-71) or THA (C2-1) - Body ground
10 k
Ω
or higher
ETHA (C55-74) or E2 (C2-2) - Body ground
10 k
Ω
or higher
REPAIR OR REPLACE HARNESS OR
CONNECTOR
REPLACE ECM (See page
ES-518
)
5
CHECK MASS AIR FLOW METER (CHECK FOR SHORT IN SENSOR)
C2
ETHA
ECM
THA
MAF Meter
A084869E58
REPLACE MASS AIR FLOW METER (See
page
ES-477
)
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 ...