Mazda RX8 - Page 219

ground.
• GND
• Related wiring
harnesses
Turn the ignition switch to
the ON position.
B+
G IG1 Ignition switch
Turn the ignition switch to
the ACC or LOCK position.
1.0 or less
• Ignition
switch
(See
IGNITION
SWITCH
INSPECTION
.)
• Related wiring
harnesses
Dimmer
cancel
switch is on.
B+
H
Dimmer
cancel
Instrument
cluster/center
panel module
Turn the light
switch to the
TNS or ON
position.
Dimmer
cancel
switch is
off.
1.0 or less
• Instrument
cluster
• Center panel
module
• Related wiring
harnesses
Terminals A and F Inspection
1. Measure the wave pattern of panel light control switch terminals A and F using an oscilloscope.
• Oscilloscope setting :
5 V/DIV (Y) , 5 ms/div (X) , DC range
2.
3.
4. Turn the light switch to the TNS or ON position.
5. Turn the panel light control switch to the brightest setting.
(w) RX-8 Body
Page 219