A02520
THA
E2
ON
(+)
(--)
DI--106
--
DIAGNOSTICS
ENGINE (2RZ--FE, 3RZ--FE)
W hen not using hand -- held tester
1 Ch eck vo ltag e b etween termin als T HA an d E2 o f en g in e ECU co n n ecter
PREPARATION:
(a)
Remove glove compartment.
(b ) Turn ignition switch ON.
CHE CK:
Measure voltage between terminals THA and E2 of engine
ECU connector
Intake air temp.
˚
C (
˚
F)
Voltage V
20 (68)
0.5
∼
3.4
60 (140)
0.2
∼
1.0
OK:
OK
Check for intermittent problem
NG
2 Ch eck air f lo w meter
NG
Replace air flow meter
OK
3 Check for open and short in harness and connector between engine ECU and air
flow meter.
NG
Repair or replace harness or connector
OK
Check and replace engine ECU.
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Pages From Supplement
3RZ-F,3RZ-FE