Asus ZB551KL Training & Trouble Shouting Manual page 46

Sub Camera Abnormal (3)
Data signal
If power and control signal are okay, check data
signal
• CCM_MCLK without clock signal
-Check R12005,C12007,U0501
MIPI_CSI0_CLK_1, MIPI_CSI0_LN0_1 no signal
-Check FL12001, FL12002