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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Idle Speed W/Computer Control Specifications

Idle Speed w/Computer Control Specifications:





Models with CIS: Idle speed is not adjustable.

Models with LH-Jetronic: Ground test point (blue/white wire) and adjust idle to specified setting value. Adjust throttle valve switch if setting value cannot be obtained. To adjust, loosen holddown screws and rotate unit clockwise, slowly rotate unit counter-clockwise to engage contact stop without opening throttle valve. Tighten holddown screws and check function by removing test point ground. Idle should increase to specified checking value.

Turn on AC to verify specified AC speed-up.

Disconnect fuel system temperature sensor and verify specified cold idle speed.