Inspection Procedure

HINT:

Check that there is no problem in CAN communication before performing the following procedure. If there are any problems in these communications, first troubleshoot them and then proceed to the troubleshooting below.

1. CHECK BATTERY 
   1. Measure the battery voltage.

      Standard Voltage 

      VOLTAGE SPECIFICATION
      
      

      Tester Connection	Condition	Specified Condition
      Battery terminal (+) - Battery terminal (-)	Always	11 to 14 V

   NG: REPLACE BATTERY 

   OK: Go to next step 

2. PERFORM ACTIVE TEST BY TECHSTREAM (COMBINATION METER) 
   1. Select the Active Test, use Techstream to generate a control command, and then check that the master warning light turns on/off.

      Combination meter: 

      COMBINATION METER ACTIVE TEST REFERENCE
      
      

      Tester Display	Test Part	Control Range	Diagnostic Note
      Master Warning	Master warning light	OFF / ON	Confirm that the vehicle is stopped and engine is idling

      OK: Indicator light turns on / turns off. 

   NG: REPLACE COMBINATION METER  (See REMOVAL )

   OK: Go to next step 

3. CHECK DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM) 
   1. Check for DTCs in the electronically controlled brake system (see DTC CHECK / CLEAR ).

      Result 

      RESULT CHART
      
      

      Result	Proceed to
      DTC is not output	OK
      DTC is output	NG

   NG: GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM  (See DIAGNOSTIC TROUBLE CODE CHART )

   OK: REPLACE STEERING CONTROL ECU  (See REMOVAL  )