P0506 ISC system
Description
The ECM controls the engine idle speed to a specified level through the fine
adjustment of the air, which is let
into the intake manifold, by operating the electric throttle control actuator.
The operating of the throttle valve is
varied to allow for optimum control of the engine ...
Brake drum
BRAKE DRUM : Inspection and Adjustment
INSPECTION
Appearance
Check surface of brake drum for uneven wear, cracks and serious damage.
Replace it if necessary. Refer to
BR "Removal and Installation".
Brake Drum Inner Diameter
Check inner diameter (B) of the brake drum.
(B) : Refe ...