Toyota 2GR-FE Manual page 616

ES–460
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See page
ES-33)
ES
2
CHECK ECM POWER SOURCE CIRCUIT
OK
3
INSPECT ENGINE ROOM JUNCTION BLOCK (C/OPN RELAY)
Engine Room Junction Block
Engine Room Relay Block
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
(c) Select the following menu items: DIAGNOSIS /
(d) Check whether the fuel pump operation sound occurs
(a) Remove the integration relay from the engine room relay
(b) Inspect the C/OPN relay.
(c) Reinstall the integration relay.
1D 1E
A140654E03
ENHANCED OBD II / ACTIVE TEST / FUEL PUMP /
SPD.
when performing the Active Test on the tester.
OK:
Fuel pump operating sound occurs.
NG
Go to step 2
NG
REPAIR OR REPLACE ECM POWER
SOURCE CIRCUIT
block.
(1) Measure the C/OPN relay resistance.
Standard resistance
Tester Connections
1E-7 - 1E-13
(Apply battery voltage between terminals 1D-12 and
NG
REPLACE ENGINE ROOM JUNCTION
BLOCK
Specified Conditions
10 kΩ or higher
Below 1 Ω
1E-8)