Toyota ZZT230 series Repair Manual page 265

DHi4
2 Check the output voltage of oxygen sensor during Idling.
PREPARATION:
Warm up t h e oxygen sensor the e ngine at
USe
CHECK:
the 080 II scan tool or
Idling.
OK:
Oxygen eensor output voltage:
Alternates repeatedly belwesn less than 0.4
v
.... .
.
0.4 v
0 v
3 Check for open and short In harness and connector between ECM and oxygen
sensor (bank 1 sensor 1) (See page IN-20).
Check air Induction system (See page SF-1 ).
4
2,500 rpm for approx.
TOYOTA hand-held tester read the output voltage of the oxygen sensor during
-- --
- - - - - - - - - -
./\/\.
- - - - - - - - - - - - - -
-
-
90
sec.
V
and mora than 0.55
N G
N O
- - - - - - - - - -
Repair or replace harness or connector.
Repair or replace Induction system.
V
(See the Following table) .
W:
P18349