NO.1 ELECTRIC POWER STEERING (EPS) WARNING LIGHT DOES NOT ILLUMINATE WITH IGNITION AT ON

id060300801500

1

Electric power steering (EPS) warning light does not illuminate with ignition at ON
POSSIBLE CAUSE
•  EPS warning light circuit malfunction in instrument cluster
•  Error originates from EPS control module, and “off” signal is generated.
―  EPS control module malfunction
―  Communication error between EPS control module and instrument cluster

Diagnostic procedure

STEP

INSPECTION

ACTION
1
VERIFY WHETHER MALFUNCTION IS IN INSTRUMENT CLUSTER OR ELSEWHERE
•  Turn on all warning lights and indicator lights using the instrument cluster PID ‘’WL+IL’’ of active command modes function using the M-MDS.
•  Does the EPS warning light turn on according to active command modes function?
Yes
Go to the next step.
No
Replace the instrument cluster.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
2
CONFIRM INSTRUMENT CLUSTER DTC
•  Retrieve the instrument cluster DTC using the M-MDS.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [INSTRUMENT CLUSTER].)
No
Go to the next step.
3
CONFIRM EPS CONTROL MODULE DTC
•  Retrieve the EPS control module DTC using the M-MDS.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS.)
No
Replace the EPS control module.
(See EPS CONTROL MODULE REMOVAL/INSTALLATION.)