FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Signal Descriptions MCC






Signal descriptions MCC

Note! A manual climate control unit may or may not be equipped with air conditioning (A/C) system.

Connector A; A1-6
All values listed below should be measured between the respective terminal in column 1 ( Terminal ) and terminal B16 (ground) unless stated otherwise in column 4 ( Other ).




The control module terminals in connector A are not connected to the breakout box.

Note! It is important to check ground terminals before taking readings.









Note! A manual climate control unit may or may not be equipped with air conditioning (A/C) system.

Connector B; B1-22
All values listed below should be measured between the respective terminal in column 1 ( Terminal ) and terminal B16 (ground) unless stated otherwise in column 4 ( Other ).




The MCC control module connector # B1-22 is the equivalent of # 31-53 on the breakout box.

Note! It is important to check ground terminals before taking readings. Connect breakout box according to Connection of breakout box MCC Connection of Breakout Box MCC before readings are taken.