Signal Specification, Phone Module (PHM)

Signal specification

General

Note! It is important to connect the breakout box and check ground terminals before taking readings.

There may be several connections and connectors between the control module and components. See the relevant wiring diagram for further information about these.
For further information about:
- connecting the breakout box, see "Connecting the breakout box, phone module (PHM)".
- checking the ground terminal, see "Checking the ground terminal, Phone module (PHM)"






Connector A, phone module (PHM)










Connector B, phone module (PHM)










Connector C, phone module (PHM)










Connector D, phone module (PHM)