Mazda 323 1988 Workshop Manual page 924

METER (INCL. SENDER UNITS) 15
Meter and/or warning lights do not operate.
Check meter fuse lo
Short circuit (broke" wire)
Turn ign switch to ON (Engine stopped)
I
Remove meter unit. Confirm 12V on BY wire of
connector.
NO
Broken wire (Fuse-Meter unit)
Confirm continuity of B wire and BG wire to
ground.
NO
Defective meter grounding.
OK 1
Defective meter. check meter.
Tachometer does not operate.
I
Turn Ign switch to ON (Engine stopped).
I
i
Disconnect the cables from IG. coil (-) terminal.
Confirm that tachometer pointer swings a little
when the YL wire is applied with 12V intermittently
and quickly.
0
NG
1
OK
Defective ignition system
Confirm that tachometer pointer swings a little
when the YL wire of the meter connector is ap-
plied with 12V intermittently and quickly.
Broke" wire
15-29