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Home >> Saab >> 2000 >> 9-5 Sedan (9600) L4-2.3L Turbo (B235) >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Description and Operation >> Transaxle Assembly >> Control Module Power Supply
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Control Module Power Supply


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Part 2 Of 2:






Battery voltage (+ 30 circuit)
+ 30 current is fed via fuse 12 to control module pin 16. The control module uses + 30 current for the bus function when the ignition is in position OFF (+15).


Battery voltage (+ 15 circuit)
+ 15 current is fed via fuse B to pin 1 of the control module. The control module is activated by the + 15 current.


Diagnostics
Should the power supply drop below 9 V or exceed 16 V for at least 0.5 seconds, diagnostic trouble code P0560 will be generated and the TCM will go into Limp-Home mode.



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