Mazda 2007 CX-9, Service Highlights

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ON-BOARD DIAGNOSTIC [MZI-3.5]
01-02–17
01-02
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ON-BOARD DIAGNOSTIC SYSTEM MALFUNCTION DISPLAY FUNCTION[MZI-3.5]
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Features
•
The MIL has been adopted to alert the driver when a malfunction occurs in the engine control system.
•
The MIL is built into the instrument cluster.
Function
•
When an engine control system malfunction occurs, a DTC is stored in the PCM at the same time the MIL
illuminates.
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ON-BOARD DIAGNOSTIC SYSTEM DIAGNOSTIC DATA MEMORY FUNCTION[MZI-3.5]
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Features
•
A diagnostic data memory function has been adopted for storing/clearing engine control system diagnostic
data.
Memory Function
•
The following diagnostic data can be stored in the PCM using the memory function:
—
DTC count
—
DTCs
—
Freeze frame data
—
On-board diagnostic system status
•
A DTC is stored in the PCM when an engine control system malfunction occurs. This stored DTC can then be
read-out using the Mazda Modular Diagnostic System (M-MDS) and is displayed as a five character code
(PXXXX).
•
The DTC is stored in or cleared from the PCM according to the drive cycle count setting.
Initialization Function
•
Diagnostic data stored in the PCM can be cleared using the initialization function.
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BRAKE
MIL
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3423-1U-06H(01-02).fm 17 ページ ２００６年１１月２９日 水曜日 午前９時１５分