Toyota 2GR-FE Manual page 464

ES–308
2
CHECK HARNESS AND CONNECTOR
ES
ECM Connector
A55
BATT
OK
3
INSPECT BATTERY
OK
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
(a) Check the harness and connector between the EFI No. 1
fuse and ECM.
(1) Remove the EFI No. 1 fuse from the engine room R/
(2) Disconnect the A55 ECM connector.
(3) Measure the resistance between the terminals.
Tester Connection
EFI No. 1
Engine room R/B EFI No. 1 fuse terminal 2 - BATT
Fuse
(A55-20)
Tester Connection
Engine Room
Engine room R/B EFI No. 1 fuse terminal 2 or BATT
Relay Block
(A55-20) - Body ground
(4) Reinstall the ECM connector.
(b) Check the harness and the connector between the EFI
No. 1 fuse and battery.
(1) Disconnect the negative battery terminal.
(2) Disconnect the positive battery terminal.
(3) Measure the resistance between the terminals.
Tester Connection
Battery positive terminal - Engine room R/B EFI No 1
fuse terminal 1
Tester Connection
Battery positive terminal or Engine room R/B EFI No.
1 fuse terminal 1 - Body ground
(4) Reconnect the positive battery terminal.
(5) Disconnect the negative battery terminal.
(6) Reinstall the EFI No. 1 fuse.
NG
A132292E02
(a) Check that the battery is not depleted.
OK:
NG
B.
Standard resistance (Check for open)
Standard resistance (Check for short)
Standard resistance (Check for open)
Standard resistance (Check for short)
REPAIR OR REPLACE HARNESS OR
CONNECTOR
Battery is not depleted.
REPLACE BATTERY
Specified Condition
Below 1 Ω
Specified Condition
10 kΩ or higher
Specified Condition
Below 1 Ω
Specified Condition
10 kΩ or higher