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 playDTC “c28” (p1655): secondary throttle
valve actuator (stva) malfunction
Detected condition and possible cause
Detected condition
Possible cause
The operation voltage does not reach the stva.
Ecm does not receive communication signal from the
stva. Stva can not operate properly or its motor locked
Stva malfunction.
...
Front brake master cylinder assembly removal and installation
Removal
Drain brake fluid. Refer to “brake fluid replacement” .
Disconnect the front brake light switch coupler (1).
Place a rag underneath the brake hose union bolt (2)
on the master cylinder to catch any spilt brake fluid.
Remove the brake hose union bolt (2).
...
Rear brake pedal construction
Footrest bracket no. 2
Footrest bracket no. 1
Rear brake peda
Footrest holder
Footrest
35 N·m (3.5 Kgf-m,
25.5 Lbf-ft)
23 N·m
(2.3 Kgf-m, 16.5 Lbf-ft)
18 N·m
(1.8 Kgf-m, 13.0 Lbf-ft)
Apply grease.
Apply thread lock to the ...