INPUT/OUTPUT CHECK MODE OPERATION

id092200100900


Operation procedure

•  Refer to Mazda MX-5 Workshop Manual.

Input circuit check

•  When the parts listed in the chart are operated and a signal is output to the instrument cluster, the built-in microcomputer determines the operability of the input circuit based on that signal.

Check code

Parts sending input signal
01
Buckle switch (driver’s side)
04
Door switch
08
TNS relay
22
Fuel gauge sender unit
31
Key reminder switch (built into the ignition switch or steering lock unit)
58
Buckle switch (passenger’s side)
59
Fuel system signal

amxzzn00000675

Individual circuit check

•  By operating the parts listed in the chart, the built-in microcomputer determines the operability of the individual parts.

Check code

Parts sending input signal
12
Speedometer
13
Tachometer
14
Buzzer
16
Fuel-level warning light
18
Ignition key illumination output
23
Fuel gauge
25
Water temperature gauge
26
LCD, warning and indicator light
28
Oil pressure gauge
57
Panel light control

amxzzn00000676

PID/Data Monitor and Record

•  The PID/data monitoring items for the instrument cluster is as shown in following the table:

Monitor item table

—: Not applicable

Monitor item

Input-output signal/part name

Unit/State

Terminal
IC_DTC_CNT
Number of continuous DTCs
—
—
IC_ECT
Water temperature gauge
°F
°C
1J, 1L
IC_NUMKEYS
Number of key ID numbers registered with the vehicle
—
—
IC_ODO_CNT
Odometer
m
1J, 1L
IC_SPDMTR
Speedometer
MPH
KPH
IC_TACHO
Tachometer
RPM
IC_VPWR
Power supply voltage
V
1C