Diagnosis Procedure

AEB system does not turn ON/OFF.

• AEB warning lamp does not illuminate even if the integral switch is operated when AEB warning lamp is not illuminated.
• AEB warning lamp does not turn off even if the integral switch is operated when AEB warning lamp is illuminated.

1. PERFORM SELF DIAGNOSTIC RESULT (LASER/RADAR) 
   1. Perform "Self Diagnostic Result" mode of "ICC/ADAS" with CONSULT.
   2. Check if the DTC is detected in "Self Diagnostic Result" mode of "ICC/ADAS" with CONSULT. Refer to DTC Index .

   Is any DTC detected?

   YES

   GO TO 9 .

   NO

   GO TO 2 .

2. STEERING SWITCH INSPECTION 
   1. Start the engine.
   2. Check that "FEB SELECT" operates normally in "Data Monitor" mode of "LASER/RADAR" with CONSULT.

   Is inspection result normal?

   YES

   GO TO 6 .

   NO

   GO TO 3 .

3. CHECK STEERING SWITCH RESISTANCE 

   Check resistance between the following steering switch terminals:

   Steering switches			Condition	Resistance (Ω) (Approx.)
   Terminals		Signal name
   17	19	Display	Depress switch.	2023
   		Back	Depress switch.	723
   16		Enter	Depress OK switch.	2023
   		Menu Up	Depress switch.	121
   		Menu Down	Depress switch.	321

   Is the inspection result normal?

   YES

   GO TO 4.

   NO

   Replace steering wheel switch. Refer to Removal and Installation .

4. CHECK SPIRAL CABLE 

   Check continuity between the following spiral cable terminals:

   Spiral cable		Continuity
   Terminals
   16	9	Yes
   17	8
   19	11

   Is the inspection result normal?

   YES

   GO TO 5.

   NO

   Replace spiral cable. Refer to Removal and Installation .

5. CHECK STEERING SWITCH CIRCUIT 
   1. Turn ignition switch OFF.
   2. Disconnect combination meter harness connector M24 and spiral cable harness connector M30.
   3. Check continuity between combination meter harness connector M24 and spiral cable harness connector M30.

      Combination meter		Spiral cable		Continuity
      Connector	Terminal	Connector	Terminal
      M24	21	M30	11	Yes
      	22		9
      	23		8

   4. Check continuity between combination meter harness connector M24 and ground.

      Combination meter		Ground	Continuity
      Connector	Terminal
      M24	21		No
      	22
      	23

   Is the inspection result normal?

   YES

   GO TO 6 .

   NO

   Repair or replace harness or connector.

6. PERFORM THE SELF DIAGNOSTIC RESULT (METER/M&A) 
   1. Perform "Self Diagnostic Result" mode of "METER/M&A" with CONSULT.
   2. Check if the DTC is detected in "Self Diagnostic Result" mode of "METER/M&A" with CONSULT. Refer to DTC Index .

   Is any DTC detected?

   YES

   GO TO 9 .

   NO

   GO TO 7 .

7. AEB WARNING LAMP 
   1. Select the active test item "METER LAMP" of "ICC/ADAS".
   2. Check if the AEB warning lamp illuminates when the test item is operated.

   Is inspection result normal?

   YES

   Refer to Work flow .

   NO

   GO TO 8 .

8. CHECK DATA MONITOR OF COMBINATION METER 

   Check that "BA W/L" operates normally in "Data Monitor mode of "METER/M&A".

   Is inspection result normal?

   YES

   Replace the combination meter. Refer to Removal and Installation .

   NO

   Replace the distance sensor (ICC sensor). Refer to Removal and Installation .

9. REPAIR OR REPLACE MALFUNCTIONING PARTS 

   Repair or replace malfunctioning parts.

   GO TO 10 .

10. CHECK AEB SYSTEM 

    Check that AEB warning lamp turns ON→OFF when operating steering switch.

    Inspection End.