BE6653
P24393
A02352
RSO
RSC
ON
(+)
(--)
DI--148
--
DIAGNOSTICS
ENGINE (2RZ--FE, 3RZ--FE)
2 Check voltage between terminals RSO, RSC of engine ECU connector and body
ground.
PREPARATION:
(b)
Disconnect the E4 connector of engine ECU.
(c)
Turn ignition switch ON.
CHE CK:
Measure voltage between terminals RSO, RSC of engine ECU
connector and body ground,
OK:
Voltage: 9
∼
14 V
OK
Go to step 4.
NG
3 Ch eck ISC valve
NG
Replace ISC valve.
OK
Check for open and short in harness and con-
nector between E/G Room J/B and ISC valve,
ISC valve and ECU
4 Check operation of the ISC valve
NG
Repair or replace ISC valve.
OK
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3RZ-F,3RZ-FE