Visually inspect the isc valve if necessary.

Throttle body inspection and cleaning
Throttle valve synchronizationDTC “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 ...
DTC “c41” (p0230-h/l): fp relay circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
C41
No voltage is applied to fuel pump.
Fuel pump relay circuit open or short.
Fuel pump relay malfunction.
Fuel pump relay switch circuit is shorted to power
source.
...
Ap sensor removal and installation
Removal
Remove the front seat. Refer to “exterior parts
removal and installation” in section 9d (page 9d-
6).
Disconnect the starter relay (1) from the holder.
Disconnect the coupler (2) and remove the ap
sensor (3).
Installation
Install the ap sensor in the rever ...