Diagnostic procedure

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTIC PROCEDURE

STEP	INSPECTION		ACTION
1	VERIFY THE TIRE Verify that the currently equipped tire type (size, supplier, and type) conform to the Mazda recommendation. (See WHEEL AND TIRE SPECIFICATION .) Is the tire type as specified?	Yes	Go to the next step.
1		No	Replace the tire, then go to Step 3. (See WHEEL AND TIRE SPECIFICATION .)
2	MEASURE THE TIRE PRESSURE Measure the tire pressure when the tires are cold. (See WHEEL AND TIRE SPECIFICATION .) Is the pressure as specified?	Yes	Go to the next step.
2		No	Adjust the tire pressure to the specification when the tires are cold, then go to the next step. (See WHEEL AND TIRE SPECIFICATION .)
3	INITIALIZE THE TPMS Initialize the TPMS. (See TIRE PRESSURE MONITORING SYSTEM INITIALIZATION PROCEDURE .) Is the initialization normally completed?	Yes	Go to the next step.
3		No	Repeat the inspection from Step 1. If the malfunction recurs, replace the DSC HU/CM, then go to the next step. (See DSC HU/CM REMOVAL/INSTALLATION .)
4	VERIFY THAT THE SAME DTC IS NOT PRESENT Clear the DTCs from the memory. (See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)] .) Are the same DTCs present?	Yes	Repeat the inspection from Step 1. If the malfunction recurs, replace the DSC HU/CM, then go to the next step. (See DSC HU/CM REMOVAL/INSTALLATION .)
4		No	Go to the next step.
5	VERIFY THAT NO OTHER DTCS ARE PRESENT Are any other DTCs output?	Yes	Go to the applicable DTC inspection. (See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)] .)
5		No	DTC troubleshooting completed.