Toyota Celica 2005, Repair Manual

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A21256
Vehicle speed
(40 km/h)
25 mph
Ignition OFF
Once
40 seconds
or more
60 seconds
or more
10 seconds
Twice
40 seconds
or more
(f)
12 times
40 seconds
or more
10 seconds 10 seconds
(a), (b)
(d)
(e) Idling (c)
(d)
(e)
(d)
(e)
DI − 442
− DIAGNOSTICS ENGINE (2ZZ − GE)
2005 CELICA (RM1131U)
Rear HO2S element monitor
If all the values ($81, $84, $85 and $87) are out of the standard values, the ECM interprets this as a malfunc-
tion.
TEST ID Description of TEST DATA Conversion Factor Unit
$81
Percentage of monitoring time
when the HO2S voltage is less
than 0.05 V
Multiplied by 0.3906 %
$84
Percentage of monitoring time
when the HO2S voltage is more
than 0.7 V
Multiplied by 0.3906 %
$85
Time when the HO2S voltage is
0.45 V or more
Multiplied by 0.2621 sec.
$87
Percentage of monitoring time
when the HO2S voltage is 0.45 V
or more
Multiplied by 0.3906 %
WIRING DIAGRAM
Refer to DTC P0130 on page DI − 411.
CONFIRMATION DRIVING PATTERN
(a) Connect the hand − held tester to the DLC3.
(b) Switch the hand − held tester from normal mode to check mode (See page DI − 295).
(c) Start the engine and run at idle for 60 seconds or more.
(d) Drive the vehicle at 25 mph (40 km/h) or more for 40 seconds or more.
(e) Run the engine at idle for 10 seconds or more.
(f) Perform steps (d) and (e) 12 times.
HINT:
If a malfunction exists, the MIL will be illuminated on the multi information display during step (f).
NOTICE:
If the conditions in this test are not strictly followed, a malfunction will not be detected. If you do not
have a hand
− held tester, turn the ignition switch OFF after performing steps from (c) to (f), then per-
form steps from (c) to (f) again.
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