Error code 01/05/31

WARNING: This page is about a different car, the 2017 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.

Step	Inspection	Action
1	VERIFY VEHICLE HEIGHT INPUT VALUE Verify the vehicle height indicated in Step 22 for aiming with the input value. Is the value input correctly?	Yes	Go to the next step.
1		No	Input the vehicle height indicated in Step 22 for aiming, then go to the next step.
2	VERIFY TARGET POSITION Verify the following: Are the vehicle and target set on level ground? Is the target set to the position indicated in the procedure? Are the board and the target set line parallel and is the height at the center of the target correct? Is the target produced as indicated in the procedure? Is there any dirt, cracks, damage, or wrinkling on the target and board? Is there any malfunction?	Yes	Repair the target for malfunction and go to the next step.
2		No	Go to the next step.
3	PERFORM FSC AIMING Perform the FSC aiming. Is the FSC aiming completed normally?	Yes	FSC aiming is completed.
3		No	Error code 01 or 05 is displayed Go to the next step. Code other than error cord 01 or 05 is displayed Go to the procedure for the displayed error code.
4	PERFORM FSC AIMING AT ACTUAL MEASURED VALUE OF VEHICLE HEIGHT Measure the vehicle height according to the actual measurement procedure for the wheel house height. (See WHEEL HOUSE HEIGHT MEASUREMENT PROCEDURE .) Input the actual measured value and perform the FSC aiming. Is the FSC aiming completed normally?	Yes	The FSC aiming is completed.
4		No	Go to the next step.
5	VERIFY DTC Perform the DTC inspection for the FSC. (See DTC INSPECTION [FORWARD SENSING CAMERA (FSC)] .) Is the DTC displayed?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [FORWARD SENSING CAMERA (FSC)] .) After the diagnostic procedure is completed, perform the FSC aiming.
5		No	Re-perform the FSC aiming, and replace the FSC if the FSC aiming is not completed normally. (See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION .)