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Mazda 626 - Engine Speed Input Signal; Operation Signal to Speedometer;To Tachometer;To Buzzer

Mazda 626
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WARNING AND INDICATOR SYSTEM
DTC 11 Engine speed input signal
INSPECTION INDICATION ACTION
Start engine.
Ci n
Input signal to instrument cluster is okay.
r r
i_i I I
Inspect following parts.
• PCM
• Wiring harness (PCM—instrument cluster)
DTC 12 Operation signal to speedometer
INSPECTION
INDICATION SITUATION ACTION
Wait for 2 seconds after selecting DTC 12.
C i C i
Speedometer needle
moves full scale then
returns to 60 km/h or 60
MPH.
Speedometer is okay.
Other than stated above.
Replace instrument
cluster.
r
L I I
—
DTC 13 Operation signal to tachometer
INSPECTION INDICATION SITUATION
ACTION
Wait for 2 seconds after selecting DTC 13.
C i C i
Tachometer needle
moves full scale then
returns to 3000 rpm.
Tachometer is okay.
Other than stated above. Replace instrument
cluster.
r
L I «
—
DTC 14 Operation signal to buzzer
INSPECTION INDICATION SITUATION
ACTION
Wait for 2 seconds after selecting DTC 14.
M M
Buzzer continuously
sounds.
Buzzer is okay.
(Fixed)
Buzzer does not
continuously sound.
Replace instrument
cluster.
T-38

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