Toyota 2GR-FE Manual page 405

OK
2 CHECK HARNESS AND CONNECTOR (IGNITION COIL ASSEMBLY - ECM (IGT SIGNAL
TERMINAL))
Wire Harness Side Front View:
Ignition Coil with Igniter Connector
C11 C12
C13 C14
C38 C39
IGF
ECM Connector
C55
IGT3 IGT2
IGT6 IGT5 IGT4
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
NG
(a) Disconnect the C11, C13, C12, C14, C38 or C39 ignition
coil connector.
(b) Disconnect the ECM C55 connectors.
(c) Measure the resistance according to the value(s) in the
table below.
Standard resistance (Check for open)
IGT1
IGT2
IGT3
IGT4
IGT1
Standard resistance (Check for short)
IGT1 (C11-3) or IGT1 (C55-40) - Body ground
IGT2 (C13-3) or IGT2 (C55-39) - Body ground
IGF1
IGT3 (C12-3) or IGT3 (C55-38) - Body ground
IGT4 (C14-3) or IGT4 (C55-37) - Body ground
A105983E07
IGT5 (C38-3) or IGT5 (C55-36) - Body ground
IGT6 (C39-3) or IGT6 (C55-35) - Body ground
Standard resistance (Check for open)
Standard resistance (Check for short)
IGF (C11-2) or IGF1 (C55-106) - Body ground
IGF (C13-2) or IGF1 (C55-106) - Body ground
IGF (C12-2) or IGF1 (C55-106)- Body ground
IGF (C14-2) or IGF1 (C55-106) - Body ground
Tester Connection
C12-4 - Body ground
C14-4 - Body ground
C38-4 - Body ground
C39-4 - Body ground
REPAIR OR REPLACE HARNESS OR
CONNECTOR
Tester Connection
IGT1 (C11-3) - IGT1 (C55-40)
IGT2 (C13-3) - IGT2 (C55-39)
IGT3 (C12-3) - IGT3 (C55-38)
IGT4 (C14-3) - IGT4 (C55-37)
IGT5 (C38-3) - IGT5 (C55-36)
IGT6 (C39-3) - IGT6 (C55-35)
Tester Connection
Tester Connection
IGF (C11-2) - IGF1 (C55-106)
IGF (C13-2) - IGF1 (C55-106)
IGF (C12-2) - IGF1 (C55-106)
IGF (C14-2) - IGF1 (C55-106)
IGF (C38-2) - IGF1 (C55-106)
IGF (C39-2) - IGF1 (C55-106)
Tester Connection
ES–249
Specified Condition
Below 1 Ω
Below 1 Ω
Below 1 Ω
Below 1 Ω
ES
Specified Condition
Below 1 Ω
Below 1 Ω
Below 1 Ω
Below 1 Ω
Below 1 Ω
Below 1 Ω
Specified Condition
10 kΩ or higher
10 kΩ or higher
10 kΩ or higher
10 kΩ or higher
10 kΩ or higher
10 kΩ or higher
Specified Condition
Below 1 Ω
Below 1 Ω
Below 1 Ω
Below 1 Ω
Below 1 Ω
Below 1 Ω
Specified Condition
10 kΩ or higher
10 kΩ or higher
10 kΩ or higher
10 kΩ or higher