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Home >> Mazda >> 2012 >> 6 i Touring >> Repair and Diagnosis >> External Pages >> Different car >> Section 548 (On-Board Diagnostic [Multiplex Communication System)) >> Determining Malfunctioning Part (Ms-Can) Multiplex Communication System] >> DTC Output Pattern and Malfunctioning Part

DTC Output Pattern and Malfunctioning Part

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
Cross (x): Displayed
Hyphen (-): May or may not be displayed
Asterisk (*): No display or no operation
DTC display DTC output pattern and malfunctioning location
DTC output module DTC A B C D E F G
IC(1) (Instrument cluster) U0164.00   x          
EATC(1) (Climate control unit) U0155:00 -            
U0184.00     -   -    
U0423.68 -            
Information display(2) U015500HEC x   x       x
U016400EATC   x x       x
U018400ACU     x   -   x
Audio unit (with audio unit)(2) 16.Er11 -   -        
16.Er12 -   -        
Car-navigation unit (with car-navigation unit)(3) Device code 16/error code 12 -   -        
Device code 17/error code 11 -   -        
Bluetooth unit (with audio unit)(2) 26.Er81     - -      
Bluetooth unit (with car-navigation unit)(3) Device code 26/error code 81     - -      
M-MDS display module "Fail" display pattern
IC x            
EATC   x          
Information display Display pattern on information display
None ACU(4)       -   -  
None EATC(5)   - - -      
Audio control display     *   *   *
Air conditioning control display     * *     *
System operation System operation pattern
SIRIUS satellite radio system           * *
Hands-free telephone system         *    
(1) The DTC is displayed on M-MDS
(2) The DTC is displayed on the information display.
(3) The DTC is displayed on the car navigation unit.
(4) If "None ACU" is displayed on the information display, no DTC is displayed.
(5) If "None EATC" is displayed on the information display, no DTC is displayed.