Mazda CX-7 2007 Workshop Manual page 1395

ON-BOARD DIAGNOSTIC [AUDIO AMPLIFIER]
09-02H ON-BOARD DIAGNOSTIC [AUDIO AMPLIFIER]
DTC INSPECTION
[AUDIO AMPLIFIER] . . . . . . . . . . . . . . . 09-02H–1
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WM: IMMOBILIZER SYSTEM DTC INSPECTION[AUDIO AMPLIFIER]
1. Connect the M-MDS to the DLC-2.
2. After the vehicle is identified, select the following
items from the initialization screen of the M-MDS.
• When using the IDS (notebook PC)
— Select the "Toolbox" tab.
— Select "Self Test".
— Select "Module".
— Select "AM".
• When using the PDS (pocket PC)
— Select "Module Tests".
— Select "AM".
— Select "Self Test".
3. Verify the DTC according to the directions on the
screen.
• If any DTCs are displayed, perform troubleshooting according to the corresponding DTC inspection.
4. After completion of repairs, clear all DTCs stored in the Audio amplifier.
End Of Sie
DTC TABLE[AUDIO AMPLIFIER] AUDIO AMPLIFIER
DTC
B2477 Configuration error
End Of Sie
DTC B2477[AUDIO AMPLIFIER]
• Configuration error
DTC B2477
DETECTION
• Audio amplifier configuration has not been performed correctly.
CONDITION
• Audio amplifier configuration error
POSSIBLE
• Malfunction in the audio amplifier internal circuit
CAUSE
Diagnostic procedure
STEP
1 PERFORM AUDIO AMPLIFIER
CONFIGURATION
• Perform audio amplifier configuration.
• Is B2477 displayed?
2 VERIFY TROUBLESHOOTING OF DTC B2477
COMPLETED
• Clear the DTC from the memory.
• Is B2477 displayed?
End Of Sie
Malfunction location
INSPECTION
DTC TABLE[AUDIO AMPLIFIER] . . . . . . 09-02H–1
DTC B2477[AUDIO AMPLIFIER] . . . . . . . 09-02H–1
DLC-2
Freeze
frame data
—
Yes Replace the audio amplifier.
No Go to the next step.
Yes Go to the applicable DTC inspection.
No DTC troubleshooting completed.
id0902f8800200
acxuuw00002075
id0902f8847300
Page
(See 09-02H-1 DTC
B2477[AUDIO AMPLIFIER].)
id0902f8847400
ACTION
09-02H–1
09-02H