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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Load Throttle Rationality Diagnosis



Load-Throttle Rationality Diagnosis

Load-Throttle Rationality Check

General Description
The Load-Throttle rationality check proofs the consistency between load (measured by mass air flow sensor) and throttle position. The rationality is checked by comparing the excitation of the intake manifold pressure controller or the throttle controller with the corresponding set point.

Load-Throttle Rationality Check