LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2007 >> 6 Mazdaspeed >> Repair and Diagnosis >> Electrical >> Gauges >> Symptom Troubleshooting (Instrument Cluster) >> No. 1 Fuel Gauge Needle Position Incorrect

No. 1 Fuel Gauge Needle Position Incorrect

NO. 1 FUEL GAUGE NEEDLE POSITION INCORRECT POSSIBLE CAUSE

1 Fuel gauge needle position incorrect
POSSIBLE CAUSE 
  • Fuel gauge sender unit malfunction
  • Instrument cluster malfunction
  • BCM malfunction
  • Connector or pin malfunction
  • 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
NO.1 FUEL GAUGE NEEDLE POSITION INCORRECT DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1
  • Turn the ignition switch to the ON position.
  • Inspect the fuel gauge needle does not move after ignition switch is turned off, or display does not indicate F even though fuel tank is full.
  • Is fuel gauge okay?
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 12-129  ?
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).
  • Is the terminals are okay?
G04327110
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 the following wiring harness.
    • 2M terminal-GND
    • 2D terminal-GND
  • Is there continuity?
Yes Repair or replace the wiring harness between the instrument cluster and GND.
No Go to the next step.
7
  • Turn the ignition switch off.
  • Inspect the fuel gauge sender unit connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
  • Is the terminals are okay?
Yes Go to the next step.
No Repair or replace the terminal.
8
  • Turn the ignition switch to LOCK position.
  • Inspect for continuity following the wiring harness between instrument cluster and fuel gauge sender unit.
    • 2M terminal-C terminal
    • 2D terminal-A terminal Is there continuity?
  • Is there continuity?
Yes Go to the next step.
No Inspect the BCM and BCM terminals.
  • If there is a malfunction, replace the BCM.
  • If there is no malfunction, repair or replace the wiring harness between instrument cluster and fuel gauge sender unit.
9
  • Turn the ignition switch off.
  • Is fuel gauge sender unit installed properly?
Yes Inspect the fuel gauge sender unit.
No Reinstall the fuel gauge sender unit.