P24389
BE6653
A02349
E2 (--)
THW (+)
ON
V
S05502
--
DIAGNOSTICS
ENGINE (2RZ--FE, 3RZ--FE)
DI--111
W hen not using hand -- held tester
1 Check voltage between terminals THW and of engine ECU connector.
PREPARATION:
(b)
Turn the ignition switch ON
CHE CK:
Measure voltage between terminals THW and E2 of engine
ECU connecter.
OK:
Water Temp.
˚
C (
˚
F)
Voltage V
20 (68) (Engine is cool)
0.5
∼
3.4
80 (176) (Engine is hot)
0.2
∼
1.0
OK
Check for intermittent problems
NG
2 Ch eck water t emp . sen so r.
PREPARATION:
(a)
Disconnect the water temp. sensor connecter.
CHE CK:
Measure resistance between terminals.
OK:
Resistance is within Acceptable Zone on chart.
Water Temp.
˚
C (
˚
F)
Resistance k
Ω
20 (68) (Engine is cool)
2
∼
3
80 (176) Engine is hot)
0.2
∼
0.4
NG
Replace water temp. sensor
NG
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3RZ-F,3RZ-FE