DTC U0401:92 [INSTRUMENT CLUSTER]

id0902e8988700

DESCRIPTION

On request from PCM
DETECTION CONDITION
•  Instrument cluster detects the illumination command signal from the PCM continues for 20 s or more.
POSSIBLE CAUSE
•  PCM malfunction
•  Instrument cluster malfunction

Diagnostic Procedure

STEP

INSPECTION

ACTION
1
VERIFY PCM DTCs
•  Verify the PCM DTCs using the M-MDS.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [MZR 1.8, MZR 2.0, MZR 2.5].)
(See DTC TABLE [MZR 2.0 DISI].)
(See DTC TABLE [MZR-CD 2.2].)
No
Go to the next step.
2
VERIFY PCM MALFUNCTION
•  Clear the DTC from the instrument cluster using the M-MDS.
•  Switch the ignition to ON and wait for 20 s or more.
•  Drive the vehicle with 500 rpm or more.
•  Verify the instrument cluster DTC using the M-MDS.
•  Is the same DTC present?
Yes
Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION [MZR 1.8, MZR 2.0, MZR 2.5].)
(See PCM REMOVAL/INSTALLATION [MZR 2.0 DISI].)
(See PCM REMOVAL/INSTALLATION [MZR-CD 2.2].)
No
Go to Step 4.
3
VERIFY TROUBLESHOOTING COMPLETED
•  Clear the DTC from the instrument cluster using the M-MDS.
•  Switch the ignition to ON and wait for 20 s or more.
•  Drive the vehicle with 500 rpm or more.
•  Verify the instrument cluster DTC using the M-MDS.
•  Is the same DTC present?
Yes
Replace the instrument cluster, then go to the next step.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
No
Go to the next step.
4
VERIFY THAT NO OTHER DTCs ARE PRESENT
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [INSTRUMENT CLUSTER].)
No
DTC troubleshooting completed.