Diagnostic Assist Code "03/04/05/06" DTC Inspection

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.

Verify the module to be inspected for DTCs referring to the chart, then input diagnostic assist code according to diagnostic assist code input procedure. (See DIAGNOSTIC ASSIST CODE INPUT PROCEDURE .)

NOTE:

Combination of DTC and diagnostic assist code can be verified in the DTC table. (See DTC TABLE [CONNECTIVITY MASTER UNIT] .)
Detection of DTCs is limited if the ignition is in the ACC position.

x: Applicable-: Not applicable

Diagnostic assist code	Modules which can be verified for DTC
	Connectivity master unit (CMU)	Tuner and amp unit (TAU)	CD player
03	x	x	x
04	x	-	-
05	-	x	-
06	-	-	x

If a DTC is displayed, repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [CONNECTIVITY MASTER UNIT] .)
Cancel the diagnostic assist function according to ending procedure. (See ENDING PROCEDURE .)