Toyota Corolla (E120): Circuit description
If the engine coolant temperature (ect) does not reach 75°c (167°f) despite sufficient warm – up time has elapsed.
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Dtc no |
Dtc detection condition |
Trouble area |
| P0128 | Condition (a), (b) and (c):
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Monitor description
The ecm estimates the engine coolant temperature (ect) based on starting temperature, engine loads, and engine speeds. The ecm then compares the estimated ect with the actual ect. When the estimated ect reaches 75 c (167 f) the ecm checks the actual ect. If the actual ect is less than 75 c (167 f), the ecm will interpret this as a fault in the thermostat or engine cooling system or thermostat and set a dtc.
Monitor strategy
Typical enabling conditions
Typical malfunction thresholds
Component operating range
Monitor result (mode 06 data)
Refer to page 05–27 for the detailed information on checking monitor status.
Other materials:
Toyota vehicle intrusion protection system
On–vehicle inspection
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Hint:
the theft deterrent system has 2 modes; one is the active mode that is an
initially set mode and another is
the passive mode that can be switched on/off by the specified method (see step
4).
&nb ...
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■ Switching the display
Items displayed can be switched by pressing the display change button.
■ Odometer
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...
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■ Checking fluid level
The brake fluid level should be
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■ Adding fluid
1. Slide and lift up the rubber
strip to partly remove it as
shown.
2. Disconnect the claws and
remove the service cover.
3. Remove the reservoir cap.
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