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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Mode Servomotor Circuit

MODE SERVOMOTOR CIRCUIT

CIRCUIT DESCRIPTION

This circuit turns the servomotor and changes each mode damper position by the signals from the ECU.
When the AUTO switch is on, the ECU changes the mode automatically between (FACE), (BI-LEVEL) and (FOOT) according to the temperature setting.





DIAGNOSTIC CHART





WIRING DIAGRAM





WIRING ROUTING

Step 1:




Step 2:




Step 3:





INSPECTION PROCEDURE