Test M

PINPOINT TEST M: THE ALARM SYSTEM DOES NOT ARM/DISARM - USING THE DRIVER SET SWITCH

Test M1-M2:

Test M3-M4:

Test M5-M6:

Normal Operation
The driver arm/disarm switch grounds either circuit 31S-AA78 or 31S-AA79 to the DDM. The DDM then communicates over the SCP network to the FEM to arm/disarm the alarm system.

Possible Causes
- switch
- DDM
- circuit 31S-AA79 (BK/WH) short to ground
- circuit 31S-AA78 (BK/BU) short to ground