Adjust the engine idle speed periodically on the engine at normal operating temperature.
To adjust the idle speed:

Engine oil and filter change
Throtile cable playClutch adjustment
Clutch cable play should be 1 0 -
15 mm (0.4 - 0.6 In) measured at
the clutch lever end. Adjust clutch
cable play according to the following
procedure:
Minor adjustment
Turn the clutch cable adjuster 1
to provide the specified play.
Major adjustment
Turn in the adjuster 1 all the ...
Rear brake master cylinder components
Reservoir cap
Plate
Diaphragm
Reservoir tank
Reservoir hose
Brake hose
Brake hose union bolt
Brake hose connector
Master cylinder
Spring
Piston/cup set
Push rod
Dust boot
23 N·m (2.3 Kgf-m,
16.5 Lbf-ft)
10 N·m
...
DTC “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 ...