Toyota 2GR-FE Manual page 276

ES–120
OK
4
INSPECT ENGINE ROOM JUNCTION BLOCK (EFI RELAY, A/F RELAY)
Engine Room Junction Block
1A
ES
Engine Room Relay Block
OK
5
INSPECT FUSE (EFI MAIN)
Engine Room
Relay Block
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
(a) Remove the engine room junction block from the engine
room R/B.
(b) Inspect the EFI relay.
(1) Measure the EFI relay resistance.
Tester Connection
1G
1E-12 - 1E-6
1E-12 - 1E-6
(c) Inspect the A/F relay.
1E
(1) Measure the A/F relay resistance.
Tester Connection
1G-1 - 1A-4
1G-1 - 1A-4
NG
A140654E01
(a) Remove the EFI MAIN fuse from the engine room R/B.
(b) Measure the EFI MAIN fuse resistance.
EFI MAIN
Standard resistance:
Below 1 Ω
(c) Reinstall the EFI MAIN fuse.
NG
A135017E01
Standard resistance
Specified Condition
(Apply battery voltage between terminals 1E-9 and
Standard resistance
Specified Condition
(Apply battery voltage between terminals 1E-9 and
REPLACE ENGINE ROOM JUNCTION
BLOCK
REPLACE EFI MAIN FUSE
10 kΩ or higher
Below 1 Ω
1E-10)
10 kΩ or higher
Below 1 Ω
1E-10)