Diagnosis Procedure

The switch does not turn ON

• When the Backup Collision Intervention system setting is ON, the Backup Collision Intervention ON indicator does not illuminate even if the BCI OFF switch is depressed.

The switch does not turn OFF

• The Backup Collision Intervention ON indicator does not turn off even if the BCI OFF switch is pressed when the Backup Collision Intervention ON indicator illuminates.

1. CHECK BACKUP COLLISION INTERVENTION SYSTEM SETTING 
   1. Start the engine.
   2. After starting the engine wait for 5 seconds or more.
   3. Check that Backup Collision Intervention system setting on the information display is ON.

   Is Backup Collision Intervention system setting ON?

   YES

   GO TO 2.

   NO

   Enable the Backup Collision Intervention system setting.

2. BCI OFF SWITCH INSPECTION 
   1. Start the engine.
   2. Check that "BCI SW" operates normally in "DATA MONITOR" of "ICC/ADAS" with CONSULT.

   Is the inspection result normal?

   YES

   GO TO 3.

   NO

   GO TO 5.

3. CHECK BACKUP COLLISION INTERVENTION ON INDICATOR CIRCUIT 
   1. Start the engine.
   2. Select the active test item "BSI ON IND" of "ICC/ADAS" with CONSULT.
   3. Check if the Backup Collision Intervention ON indicator illuminates when the test item is operated.

   Is the inspection result normal?

   YES

   GO TO 6.

   NO

   GO TO 4.

4. PERFORM THE SELF-DIAGNOSIS OF COMBINATION METER 
   1. Perform "All DTC Reading" with CONSULT.
   2. Check if the DTC is detected in self-diagnosis results of "METER/M&A". Refer to DTC Index .

   Is the inspection result normal?

   YES

   GO TO 7.

   NO

   GO TO 6.

5. CHECK STEERING SWITCH CIRCUIT 

   Check the steering switch circuit. Refer to Diagnosis Procedure .

   Is the inspection result normal?

   YES

   GO TO 6.

   NO

   GO TO 7.

6. PERFORM THE SELF-DIAGNOSIS 
   1. Perform "All DTC Reading" with CONSULT.
   2. Check if the DTC is detected in self-diagnosis results of "ICC/ADAS". Refer to DTC Index .

   Is any DTC detected?

   YES

   GO TO 7.

   NO

   GO TO 8.

7. REPAIR OR REPLACE MALFUNCTIONING PARTS. 

   Repair or replace malfunctioning parts.

   GO TO 8.

8. CHECK BACKUP COLLISION INTERVENTION SYSTEM 
   1. Erase "self-diagnosis result", and then perform "All DTC Reading" again after performing the action test. (Refer to Description  for action test.)
   2. Check that the Backup Collision Intervention system is normal.

   Inspection End.