Component locationDTC “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 ...
Instrument panel
The fuel indicator light 8,12,13
Lcd's and tachometer needle
work as follows to confirm their
function when the ignition switch
is turned to the "on" position.
The fuel indicator light 8,12
and 13 come on for 3 seconds.
All lcd segments display for 3
seconds.
&nbs ...
Voltage check
If voltage is supplied to the circuit being checked, voltage
check can be used as circuit check.
With all connectors/couplers connected and voltage
applied to the circuit being checked, measure
voltage between each terminal and body ground.
If measurements were taken as shown ...