Bosch ETT 008.31 - Checking Function of Switch S60; Circuit Diagram of Sensor Board

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8.15.3 Checking function of switch S 60
- Connect the DMM to X81 (reference point, MD).
- Measure at X60 and X61 V
DC
+ 5.2V.
- Press switch S60, check:
At setting 1, LED H61 lights up, X61 = 0V
At setting 2, LED H60 lights up, X60 = 0V.
If there is no voltage, first replace the connecting line X80 from the sensor board to X20 on the motherboard; if the switch function is
faulty, replace the "sensor board" module.
8.15.4 Circuit diagram of sensor board