Engine cooling symptom diagnosis

Schematic and routing diagramDTC “c29” (p1654-h/l): secondary throttle
position sensor (stps) circuit malfunction
Detected condition and possible cause
Detected condition
Possible cause
C29
Output voltage is not within the following
range.
Difference between actual throttle opening
and opening calculated by ecm is larger
than specified value.
0.15 V ≤ Sensor ...
Specifications
Tightening torque specifications
Note
the specified tightening torque is described in the following.
“Rear view mirror construction”
Reference: for the tightening torque of fastener not specified in this
section, refer to “tightening torque list” in section 0c . ...
Engine coolant
Coolant level
The engine coolant solution
should be between "f" (full) and
"1..:' (Low) level lines on the engine
coolant reservoir. If the level is
lower than "1..:' (Low) level line,
bring it up to "f" (full) level by adding
50:50 mixture of distilled water ...