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Home >> Mazda >> 2011 >> 3 Mazdaspeed, 2.3 3 >> Repair and Diagnosis (Single Page) >> Electrical >> Horns >> Information Center [Instrumentation/Driver Info] >> Information Display Input/Output Check Mode >> Check Code Inspection >> Notes
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Check Code Inspection: Notes

CHECK CODE 01

Check code 01 CAN system
DISPLAY ACTION
G07876153
 CAN system of information display or multi information display is normal.
G07876154
 CAN system communication error. (DTC U2516) (See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM] ).
CHECK CODE 02

Check code 02
  • Communication status to audio unit
  • Communication status to climate control unit
  • Communication status to instrument cluster
INSPECTION CONDITION DISPLAY ACTION
If there is a malfunction, the diagnostic results are displayed once each in the order of audio unit and climate control unit and instrument cluster.
G07876155
G07876156
 All communications are normal.
Audio unit
G07876157
 Communication to audio unit is normal.
G07876158
 Communication error to audio unit. (DTC U0184) (See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM] ).
G07876159
 Vehicle without audio unit.
Climate control unit
G07876160
 Communication to climate control unit is normal.
G07876161
 Communication error to climate control unit. (DTC U0164) (See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM] ).
G07876162
 Vehicle without climate control unit.
Instrument cluster
G07876163
 Communication to instrument cluster is normal.
G07876164
 Communication error to instrument cluster. (DTC U0181) (See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM] ).
CHECK CODE 04

Check code 04 TNS ON/OFF signal
STEP INSPECTION CONDITION DISPLAY ACTION
1 Turn the light switch to the ON position.
G07876165
 Go to the next step.
G07876166
 Verify that the voltage of information display or multi information display terminal 1B is B+  .
  • If the voltage is as specified, replace the information display or multi information display.
  • If the voltage is not as specified, inspect the following parts:
    • TNS relay
    • Light switch
    • BCM
    • Wiring harness (Light switch-BCM-TNS relay-information display or multi information display)
2 Turn the light switch off.
G07876167
 Verify that the voltage of the information display or multi information display terminal 1B is 1.0 V or less. 
  • If the voltage is as specified, replace the information display or multi information display.
  • If the voltage is not as specified, inspect the following parts:
    • TNS relay
    • Light switch
    • BCM
    • Wiring harness (Light switch-BCM-TNS relay-information display or multi information display)
G07876168
 Input signal to the information display or multi information display is normal.
CHECK CODE 06

Check code 06 Ignition switch ON/OFF signal
STEP INSPECTION CONDITION DISPLAY ACTION
1 Switch the ignition to ON.
G07876169
 Go to the next step.
G07876170
 Verify that the voltage of information display or multi information display terminal 1E is B+  .
  • If the voltage is as specified, replace the information display or multi information display.
  • If the voltage is not as specified, inspect the following parts:
    • Ignition switch(1)
    • Push button start(2)
    • Relay block(2)
    • Wiring harness(1) (Battery-ignition switch-information display or multi information display)
    • Wiring harness(2) (Battery-relay block-push button start-information display or multi information display)
2 Switch the ignition to ACC.
G07876171
 Verify that the voltage of the information display or multi information display terminal 1E is 1.0 V or less. 
  • If the voltage is as specified, replace the information display or multi information display.
  • If the voltage is not as specified, inspect the following parts:
    • Ignition switch(1)
    • Push button start(2)
    • Relay block(2)
    • Wiring harness 1 (Battery-ignition switch-information display or multi information display)
    • Wiring harness(2) (Battery-relay block-push button start-information display or multi information display)
G07876172
 Input signal to the information display or multi information display is normal.
(1) Without advanced keyless entry and push button start system
(2) With advanced keyless entry and push button start system
CHECK CODE 07

Check code 07 Dimmer cancel ON/OFF signal
STEP INSPECTION CONDITION DISPLAY ACTION
1 Panel light control switch turned to dimmer cancel ON
G07876173
 Go to the next step.
G07876174
 Verify that the voltage of information display or multi information display terminal 1B is B+  .
  • If the voltage is as specified, replace the information display or multi information display.
  • If the voltage is not as specified, inspect the following parts:
    • Instrument cluster
    • Wiring harness (information display or multi information display-instrument cluster)
2 Panel light control switch turned to dimmer cancel OFF
G07876175
 Verify that the voltage of the information display or multi information display terminal 1B is 1.0 V or less. 
  • If the voltage is as specified, replace the information display or multi information display.
  • If the voltage is not as specified, inspect the following parts:
    • Instrument cluster
    • Wiring harness (information display or multi information display-instrument cluster)
G07876176
 Input signal to the information display or multi information display is normal.
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