Toyota 2GR-FE Manual page 633

3 CHECK HARNESS AND CONNECTOR (VSV FOR AICV - ECM, VSV FOR AICV - EFI
RELAY)
Wire Harness Side:
AICV VSV
A53 1 2
Engine Room Junction Block
Engine Room Relay Block
A55 ECM Connector
AICV
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
(a) Check the wire harness between the VSV for AICV
connector and the ECM connector.
(1) Disconnect the A53 VSV for AICV connector.
(2) Disconnect the A55 ECM connector.
(3) Measure the resistance between the terminals of
VSV for AICV (A53-2) - AICV (A55-4)
VSV for AICV (A53-2) or AICV (A55-4) - Body
(4) Reconnect the ECM connector.
(b) Check the EFI No. 3 fuse.
(1) Remove the EFI No. 3 fuse from the engine room R/
(2) Measure the resistance EFI No. 3 fuse.
1E
(3) Reinstall the EFI No. 3 fuse.
(c) Check the wire harness between the VSV for AICV and
the EFI relay.
(1) Remove the engine room junction block from the
(2) Measure the resistance between the terminals of
(3) Reconnect the VSV for AICV connector.
(4) Reinstall the engine room junction block.
NG
A137083E01
the wire harness side connectors and body ground.
Standard resistance (Check for open)
Tester Connection
Standard resistance (Check for short)
Tester Connection
ground
B.
Standard resistance:
Below 1 Ω
engine room R/B.
the wire harness side connectors.
Standard resistance (Check for open)
Tester Connection
VSV for AICV (A53-1) - 1E-6
REPAIR OR REPLACE HARNESS OR
CONNECTOR
ES–477
Specified Condition
Below 1 Ω
ES
Specified Condition
10 kΩ or higher
Specified Condition
Below 1 Ω