P0128 Thermostat function
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0128 is displayed with DTC P0300, P0301, P0302, P0303 or P0304,
first perform the trouble
diagnosis for P0300, P0301, P0302, P0303 or P0304. Refer to EC-269, "DTC Logic".
Engine coolant temperature has not risen enough to open the thermost ...
Ecu diagnosis information
Bcm (body control module)
List of ecu reference
Moonroof motor assembly
Reference value
Terminal layout
Physical values
...
L terminal circuit (open)
Description
The “L” terminal circuit controls the charge warning lamp. The charge warning
lamp turns ON when the ignition
switch is set to ON or START. When the generator is providing sufficient voltage
with the engine running,
the charge warning lamp turns OFF. If the charge warnin ...