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DTC B1142 ESL authentification error
DTC B1151 OSS authentification timeout(ESL)
 
 
 
 
DIAGNOSTIC FUNCTION
If the electric steering lock receives any abnormal data from OSS-ECU as a result of the certification communication with electric steering lock, OSS-ECU stores the DTC B1142 and B1151. At the same time, OSS-ECU displays the immobilizer certification system inspection warning screen to the multi information display of the combination meter.
 
 
DTC SET CONDITION
Check Conditions
  • At electric steering lock certification
Judgment Criterion
  • As a result of the certification communication with electric steering lock, the electric steering lock receives the abnormal data from OSS-ECU.
 
 
TROUBLESHOOTING HINT
  • Electric steering lock malfunction (electric steering lock has been interchanged between two vehicles)
  • OSS-ECU malfunction (OSS-ECU has been interchanged between two vehicles)
 
 
DIAGNOSIS
STEP 1. After turning the forced power supply output to "IG-ON" using the scan tool (M.U.T.-III), check if the diagnostic trouble code B1161 is stored.
(1) Erase the DTC.
(2) Turn the power supply mode of the engine switch from OFF to ON.
(3) Check if DTC is stored.
(4) Turn the power supply mode of the engine switch from ON to OFF.
Is the DTC stored?
Carry out the troubleshooting for the DTC B1161. Refer to .
Go to Step 2.
 
STEP 2. After performing the locking and unlocking operations of the electric steering lock, recheck the diagnostic trouble code.
(1) Erase the DTC.
(2) Turn the power supply mode of the engine switch from OFF to ON.
(3) Check if DTC is stored.
(4) Turn the power supply mode of the engine switch from ON to OFF.
Is the DTC stored?
Replace the electric steering lock and register the VIN (Refer to ).
Intermittent malfunction is suspected (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction ).