Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Variable Induction Control Actuator: Testing and Inspection

VARIABLE INTAKE MANIFOLD CONTROL MOTOR (V.I.MOTOR)




Variable Manifold Control System increases engine power especially in low engine speed with varying the intake length according to engine rpm and engine load. It increases the torque with lengthening and shortening the intake length in low and high speed respectively.

Motor Rotation Sensor (MRS) sensors the rotation angle of motor and informs it of ECU.

Circuit Diagram (V.I.MOTOR):






Harness Connector:






Harness Inspection Procedures (V.I.Motor):