Mazda 6 2002 Workshop Manual page 934

DTC 23 Operation signal to fuel gauge
INSPECTION
Wait for 2 seconds after selecting DTC 23.
DTC 25 Operation signal to water temperature gauge
INSPECTION
Wait for 2 seconds after selecting DTC 25.
DTC 26 LCD indication
INSPECTION
Select DTC 26.
DTC 31 Key reminder on/off signal
Diagnostic procedure
STEP INSPECTION
1 Remove key from steering lock and
then insert key into steering lock
after selecting DTC 31. (Key
reminder switch on.)
T–82
WARNING AND INDICATOR SYSTEM
INDICATION
INDICATION
INDICATION
INDICATION
SITUATION
Fuel gauge indicates in
following order for every 2
seconds.
• F→1/2→E→F (fied)
Other than stated above.
Replace instrument cluster.
SITUATION
Water temperature gauge
indicates in following order
for every 2 seconds.
• H→Center→C→H
(fied)
Other than stated above.
Replace instrument cluster.
SITUATION
Indication is normal.
Other than stated above.
ACTION
Go to net step.
Measure voltage at instrument cluster terminal 2B.
Is voltage B+?
• If as specified, replace instrument cluster.
• If not as specified, replace following parts.
— Key reminder switch
— Wiring harness (Battery—key reminder switch—
instrument cluster)
ACTION
Fuel gauge is okay.
Replace instrument
cluster.
ACTION
Water temperature gauge
is okay.
Replace instrument
cluster.
ACTION
LCD is okay.
Replace instrument
cluster.