DTC U0420:92 [INSTRUMENT CLUSTER]

id0902e8988300

DTC U0420:92

On request from EPS control module
Detection Condition
•  Instrument cluster receives the illumination command signal from EPS control module.
Possible Causes
•  EPS control module malfunction
•  Instrument cluster malfunction

Diagnostic Procedure

Step

Inspection

Action
1
PERFORM EPS CONTROL MODULE DTC INSPECTION
•  Perform the EPS control module DTC inspection using the M-MDS.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS.)
No
Go to the next step.
2
PERFORM DTC INSPECTION AND VERIFY THAT MALFUNCTIONING PART IS EPS CONTROL MODULE
•  Clear the DTC using the M-MDS.
•  Turn the ignition switch to the ON position and wait for 20 s or more.
•  Increase the engine speed more than 500 rpm.
•  Perform the instrument cluster DTC inspection using the M-MDS.
•  Is the same DTC present?
Yes
Replace the EPS control module, then go to the next step.
(See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION [L.H.D.].)
(See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION [R.H.D.].)
No
Go to Step 4.
3
VERIFY TROUBLESHOOTING COMPLETED
•  Clear the DTC using the M-MDS.
•  Turn the ignition switch to the ON position and wait for 20 s or more.
•  Increase the engine speed more than 500 rpm.
•  Perform the instrument cluster DTC inspection 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.