NO.2 ELECTRIC POWER STEERING (EPS) WARNING LIGHT DOES NOT GO OUT EVEN THOUGH ENGINE HAS STARTED [ELECTRIC POWER STEERING (EPS)]


id0603a2800900

2
Electric power steering (EPS) warning light does not go out even though engine has started.
TROUBLESHOOTING HINTS
•  EPS system malfunction.
―  Wiring harness malfunction
―  Connector condition malfunction
―  Torque sensor malfunction
―  EPS motor malfunction
―  Fuse malfunction
―  EPS CM malfunction
•  EPS CM detects an EPS system malfunction even though the EPS system is normal.
•  CAN communication line and/or CAN signal malfunction.
―  Vehicle speed signal malfunction
―  Engine speed signal malfunction
―  CAN wiring harness malfunction
•  EPS warning light circuit malfunction in the instrument cluster.
•  CAN wiring harness malfunction.
―  Malfunction in wiring harness between EPS CM and instrument cluster
•  Instrument cluster configuration procedure was not completed properly.

Diagnostic procedure

STEP

INSPECTION

ACTION

1
•  Switch the ignition to off and maintain this condition approx. 1 minute.
•  Switch the ignition ON (engine on).
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
Go to the next step.
2
•  Turn off the EPS warning light at instrument cluster using the “WL+IL” of the M-MDS active command modes function.
•  Does the EPS warning light turn off?
Yes
EPS CM malfunction.
Replace the EPS CM.
No
Perform the instrument cluster configuration, then repeat the inspection from Step 1.
If the malfunction recurs, replace the instrument cluster.