Secondary wake-up bus is short circuit to ground.
شرح
At start-up after the diagnosis of short circuit to battery is complete, the DAS will try to set the secondary wake-up bus (pin A2) to high for 10s. If the feedback of this pin is low during this time the DTC is activated. If the feedback is high 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.
