Toyota 2GR-FE Manual page 384

ES–228
2
CHECK WIRE HARNESS AND CONNECTOR (CONNECTOR - ECM)
Wire Harness Side:
CV1
Female
ECM Connector
C55
ES
EKNK
KNK1
EKN2
OK
3
INSPECT ECM
CV1
Female
OK
CHECK FOR INTERMITTENT PROBLEMS
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
KNK2
A135193E01
A137955E01
(a) Disconnect the CV1 connector.
(b) Disconnect the C55 ECM connector.
(c) Measure the resistance according to the value(s) in the
table below.
Standard resistance (Check for open)
Tester Connection
CV1 female connector 2 - KNK1 (C55-95)
CV1 female connector 1 - EKNK (C55-94)
CV1 female connector 4 - KNK2 (C55-118)
CV1 female connector 3 - EKN2 (C55-117)
Standard resistance (Check for short)
Tester Connection
CV1 female connector 2 or KNK1 (C55-95) - Body
ground
CV1 female connector 1 or EKNK (C55-94) - Body
ground
CV1 female connector 4 or KNK2 (C55-118) - Body
ground
CV1 female connector 3 or EKN2 (C55-117) - Body
ground
(d) Reconnect the CV1 connector.
(e) Reconnect the ECM connector.
NG
REPAIR OR REPLACE HARNESS OR
CONNECTOR
(a) Disconnect the CV1 connector.
(b) Turn the ignition switch on (IG).
(c) Measure the voltage according to the value(s) in the
table below.
Standard voltage
Tester Connection
CV1 female connector 2 - 1
CV1 female connector 4 - 3
(d) Reconnect the ECM connector.
NG REPLACE ECM (See page ES-518)
Specified Condition
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
Specified Condition
4.5 to 5.5 V
4.5 to 5.5 V