Toyota Corolla (E120): Idle air control System/ Circuit

Dtc p0505 idle air control system

Dtc p0511 idle air control circuit

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Circuit description
The actuator motor is operated by signals from the cruise control ecu assy. Acceleration and deceleration signals are transmitted by changes in the duty ratio (see below). Duty ratio: the duty ratio is the ratio of the period of continuity in one cycle. For example, if a is the period of co ...

Replacement
Hint: for parking brake cable assy no.2, Perform the same procedure to the parking brake cable assy no.3. 1. Remove rear wheel 2. Remove rear brake drum sub–assy 3. Remove rear brake automatic adjust lever lh 4. Remove front brake shoe  sst 09718–00010 5. Remove parking brake sho ...

Overhaul
1. Remove w/head taper screw plug no.2 Using a socket hexagon wench 10, remove the taper screw plug and gasket. 2. Remove valve lifter Remove the valve lifters from the cylinder head. 3. Remove valve Place the cylinder head on wooden blocks.  using sst, compres ...