Toyota ZZT230 series Repair Manual page 269

01-68
DTC P0136
CIRCUIT DESCRIPTION
Refer to DTC POt25 (Insufficient Coolant T emp. for Closed Loop Fuel Control) on page Dl-44
,
OTC No.
more
Voltage output
more
or or 0.50 V or less when the vehicle
P0136
(25 mph) or
(2 q,detectlon
.
HINT:
Sensor 2 refers to the sensor farther away from the engine body.
WIRING DIAGRAM
Refer to DTC P0125 (Insufficient Coolant Temp. lor Closed Loop Fuel Control) on page Dl-44 for the
ING DIAGRAM.
CONFIRMATION DRIVING PATTERN
30 km!h
(19
(b)
SO sec.
{a) or more
y
(a) Connect the han�eld tester to the DLC3.
Switch
(b) the han�eld tester from the Normal Mode to the Check (Test) Mode (See page Dl-3).
(c) Start
the engine and let the engine Idle for 60 seco
(d)
Drive the vehicle at 30
(e) Let the engine idle for 1 0 seconds or more.
(f)
Preform steps (d) to (e) 9 times.
HINT:
If a malfunction exists, the CHK ENG (MIL) will be indicated on the multi information display during step (f).
NOTICE:
the
If
conditions In this test are not strictly followed, detection of the
I f you do not have a hand-held tester, turn the Ign
then perform steps (c) to (f) again.
Oxygen Sensor Circuit Malfunction
(Bank 1 Sensor 2)
sensor
OTC Detecting Condtlon
of
heated oxygen remains at 0.40 V
the
dri v en at
is
after the engine is warmed up.
logic).
Once
sec.
40
kmlh
(18 mph) or more for
ENGINE
40 km/h
•Open or short In heated oxygen sensor circuit
• Heated oxygen sensor
Twice
times
11
40
sec. sec.
40
n
d s or more.
40
seconds or more.
m
i OFF
t ion swl1ch after pe
Trouble Area
fu i be
rf i
nct o n will not possible.
al
o rm n g steps (c) to (f),
WIR­
A09300