Mazda CX-9 2007 Service Highlights page 586

Freeze frame data
Illuminated warning light
Meter, gauge control status
Traveled distance after DTC recorded
DTC cleared flag
DTCs and recorded freeze frame data
• The unit thought to be malfunctioning can be inferred from the content of the freeze frame data.
• The traveled distance at the time of the DTC and the DTC cleared flag are also recorded in the DTC.
• To avoid false diagnosis, verify whether the warning lights, meters or gauges are normal using the input/output
check mode.
Warning light illumination request signal from other modules (U2064)
Freeze frame data
Air bag system warning
light
Generator warning light
MIL
Oil pressure warning light
DSC indicator light
Illuminated
warning light
ABS warning light
Brake system warning
light
AT warning light
AWD warning light
Keyless warning light
Speedometer
Meter, gauge
Tachometer
control status
Water temperature gauge
• The freeze frame data will be recorded after the warning light illumination request has continued for 3 s or
more. However, it will not be recorded under the following situations.
— Illumination request for a burnt out bulb check is received
— The instrument cluster power supply voltage is 10 V or less
— During the period of twenty seconds after the instrument cluster power supply voltage goes from 10 V or
less to 10 V or more.
— Engine speed is 500 rpm or less (Engine warning light and generator warning light only)
• If several warning light illumination requests are received, they will be recorded in one freeze frame data.
09-22–14
INSTRUMENTATION/DRIVER INFO.
Unit
Target warning light:
• Air bag system warning light
• Generator warning light
• MIL
• Oil pressure warning light
• DSC indicator light
—
• ABS warning light
• Brake system warning light
• AT warning light
• AWD warning light
• Keyless warning light
Target meter, gauge:
• Speedometer
—
• Tachometer
• Water temperature gauge
km Only the last four digits are recorded
The freeze frame data will not be cleared even if the DTC data
Cleared/Not
is cleared. If a DTC is cleared, a DTC cleared flag 'Cleared' is
cleared
recorded with the corresponding freeze frame data.
Warning light illumination request unit
PCM TCM
— —
×
—
×
—
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— —
— —
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×
—
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— —
Note
Keyless
DSC/RSC
control
HU/CM
module
— —
— —
— —
— —
— —
×
—
×
—
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— —
×
—
— —
— —
— —
×: Applicable
AWD SAS
control control
module module
×
—
— —
— —
— —
— —
— —
— —
— —
×
—
— —
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— —
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