Toyota 2GR-FE Manual page 598

ES–442
INSPECTION PROCEDURE
1
CHECK HARNESS AND CONNECTOR (ECM - BODY GROUND)
Wire Harness Side:
C55 ECM Connector
ES
OK
2
CHECK ENGINE ROOM JUNCTION BLOCK (EFI RELAY VOLTAGE)
Wire Harness Side:
Engine Room Junction Block
Engine Room Relay Block
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
(a) Disconnect the C55 ECM connector.
(b) Measure the resistance between the terminals.
Standard resistance
(c) Reconnect the ECM connector.
NG
E1
A137016E01
(a) Remove the engine room junction block from the engine
room R/B.
(b) Turn the ignition switch on (IG).
(c) Measure the voltage between the terminals.
Standard voltage
Tester Connection
1E-6 - Body ground
OK
1E
A138922E03
Tester Connection
E1 (C55-81) - Body ground
REPAIR OR REPLACE HARNESS OR
CONNECTOR
Go to step 5
Specified Condition
Below 1 Ω
Specified Condition
9 to 14 V