Secondary wake-up bus is short ciruit to battery.
شرح
At start-up (2s after ignition on) the DAS will try to set the secondary wake-up bus (pin A2) to low for 10s. If the feedback of this pin is high during this time the DTC is activated. If the feedback is low during the 10s the DTC is set to inactive. The DTC is not set in the following cases: • first 2 seconds after ignition on. • system voltage is below 22V. • system voltage is above 32V.
علت
• Defect wiring or connectors for the secondary wake-up bus. • Electrical error in any of the connected ECU:s.
