Diagnosis Procedure

Regarding Wiring Diagram Information, Refer to WIRING DIAGRAM

1. PERFORM SELF DIAGNOSTIC RESULT (LASER/RADAR)
   
   
   1. Select "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 STEP   9  .

   NO 

   GO TO STEP 2  .

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

   Is inspection result normal?

   YES 

   GO TO STEP   6  .

   NO 

   GO TO STEP 3  .

3. CHECK STEERING SWITCH RESISTANCE
   
   

   Check resistance between the following steering switch terminals:

   Steering switches			Condition	Resistance (Ω) (Approx.)
   Terminal		Signal name
   25	19	Display	Depress switch.	2023
   		Back	Depress switch.	723
   18		Enter	Depress OK switch.	2023
   		Menu Up	Depress switch.	121
   		Menu Down	Depress switch.	321

   Is the inspection result normal?

   YES 

   GO TO STEP 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
   Terminal
   8	25	Yes
   14	19
   15	18

   Is the inspection result normal?

   YES 

   GO TO STEP 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 M76 and spiral cable harness connector M90.
   3. Check continuity between combination meter harness connector M76 and spiral cable harness connector M30.

      Combination meter		Spiral cable		Continuity
      Connector	Terminal	Connector	Terminal
      M76	22	M90	8	Yes
      	23		15
      	21		14

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

      Combination meter		Ground	Continuity
      Connector	Terminal
      M76	22		No
      	23
      	21

   Is the inspection result normal?

   YES 

   GO TO STEP 6  .

   NO 

   Repair or replace harness or connector.

6. PERFORM THE DIAGNOSTIC RESULT (METER/M&A)
   
   
   1. Select "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 STEP 9  .

   NO 

   GO TO STEP 7  .

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

   Is inspection result normal?

   YES 

   Refer to WORK FLOW .

   NO 

   GO TO STEP 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 ICC sensor. Refer to REMOVAL AND INSTALLATION .

9. REPAIR OR REPLACE MALFUNCTIONING PARTS
   
   

   Repair or replace malfunctioning parts.

   GO TO STEP 10  .

10. CHECK FEB SYSTEM
    
    

    Check that FEB warning lamp turned ON ==> OFF, when operating steering switch.

    Inspection End.