DIAGNOSTIC PROCEDURE
DIAGNOSTIC PROCEDURE
POSSIBLE
CAUSE
Fuel gauge sender unit is improperly installed
Open or short circuit in wiring harness between instrument cluster and GND
Open or short circuit in wiring harness between instrument cluster and fuel
gauge sender unit
STEP
INSPECTION
ACTION
1
Turn the ignition switch to the ON position.
Verify that the fuel gauge needle does not move
after ignition switch is turned off, or the display
does not indicate F even though fuel tank is full.
Is the fuel gauge normal?
Yes Troubleshooting completed.
No
Go to the next step.
2
Start the instrument cluster input/output check
mode.
Select the check code 22.
Display value is
7-206
?
Yes Go to the next step.
No
Go to Step 4.
3
Perform the check code 23 inspection.
Is there any malfunction?
Yes Replace the instrument cluster.
No
Go to the next step.
4
Perform the check code 22 inspection.
Is there any malfunction?
Yes Go to the next step.
No
Go to Step 6.
5
Turn the ignition switch off.
Inspect the instrument cluster connector terminals
for poor connection (such as damaged/pulled-out
pins, and corrosion).
Are the terminals normal?
Yes Replace the instrument cluster.
No
Repair or replace the terminal.
6
Turn the ignition switch to LOCK position.
Remove the instrument cluster.
Disconnect the instrument cluster connector.
Inspect for continuity between the following wiring
harnesses.
Yes
Repair or replace the wiring harness
between the instrument cluster and
GND.
2007 Mazda MX-5 Miata Sport
2007 ACCESSORIES & BODY, CAB Symptom Troubleshooting (Instrument Cluster) - MX-5 Miata
Microsoft
Thursday, July 09, 2009 3:31:09 PM
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