Toyota 2GR-FE Manual page 618

ES–462
6
CHECK HARNESS AND CONNECTOR (C/OPN RELAY - FUEL PUMP - BODY GROUND)
Wire Harness Side:
Fuel Pump Connector
N10
ES
Engine Room Junction Block
Engine Room Relay Block
OK
REPLACE ECM (See page ES-518)
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
1 2 3
4 5
1E
A140662E01
(a) Check the harness and the connectors between the
engine room relay block and the fuel pump.
(1) Disconnect the integration relay connector.
(2) Disconnect the N10 fuel pump connector.
(3) Measure the resistance.
Standard resistance (Check for open)
Tester Connections
1E-13 - N10-4 (Fuel pump)
Standard resistance (Check for short)
Tester Connections
1E-13 or N10-4 (Fuel pump) - Body ground
(b) Check the harness and the connectors between the fuel
pump and body ground.
(1) Disconnect the N10 fuel pump connector.
(2) Measure the resistance.
Standard resistance (Check for open)
Tester Connection
N10-5 (Fuel pump) - Body ground
(c) Reconnect the integration relay connector.
(d) Reconnect the fuel pump connector.
NG
REPAIR OR REPLACE HARNESS OR
CONNECTOR
Specified Conditions
Below 1 Ω
Specified Conditions
10 kΩ or higher
Specified Condition
Below 1 Ω