Mazda CX-9 2007 Service Highlights page 588

Input/Output Check Mode
Operation procedure
• Refer to the Workshop Manual.
Input circuit check
• When the parts listed in the chart are operated and signal is output to the instrument cluster, the built-in
microcomputer determines the operability of the input circuit based on that signal.
Check
Parts sending input signal
code
08 TNS relay
22 Fuel gauge sender unit
55 Dimmer switch
Individual circuit check
• By operating the parts listed in the chart, the built-in microcomputer determines the operability of the individual
parts.
Check
Parts sending input signal
code
12 Speedometer
13 Tachometer
14 Buzzer
16 Fuel-level warning light
23 Fuel gauge
25 Water temperature gauge
Odometer/tripmeter (LCD)
26
Warning and indicator light
57 Panel light control
TACHOMETER
SPEEDOMETER
09-22–16
INSTRUMENTATION/DRIVER INFO.
TNS FUEL GAUGE
RELAY SENDER UNIT
INSTRUMENT
MICROCOMPUTER
CLUSTER
WARNING AND
BUZZER
INDICATOR LIGHT
BRAKE
MICROCOMPUTER
INSTRUMENT CLUSTER
DIMMER
SWITCH
BRAKE
LCD
WATER
FUEL
TEMPERATURE
GAUGE GAUGE
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ILLUMINATION
LCD
LIGHT BULB
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