Signal Specification ECC

Signal specification ECC

Connector A; A1-30
All values listed below should be measured between the respective terminal in column 1 ( Terminal ) and terminal A23 (ground) unless stated otherwise in column 4 ( Other ).




The ECC control module connector # A1-30 corresponds to the breakout box terminals # 1-30.

Note! The blower fan should be on, or the engine running at idle, in order for the control module to activate the damper motors when the selectors are turned.

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













Connector B; B1-10
All values listed below should be measured between the respective terminal in column 1 ( Terminal ) and terminal A23 (ground) unless stated otherwise in column 4 ( Other ).




The ECC control module connector # B1-10 corresponds to the breakout box terminals # 47-56.

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