LIGHTING SYSTEM, Diagnostic DTC:B2410, B2411

DESCRIPTION

These DTCs are stored when the AFS ECU (headlight swivel ECU assembly) detects errors in its own communication with the headlight swivel motor.

WIRING DIAGRAM

1. 

   for LED Headlight

2. 

   except LED Headlight

INSPECTION PROCEDURE

PROCEDURE

1. Click here

   CHECK FOR DTC

   
   

   1. Clear the DTCs (Click here).

   2. Check for DTCs (Click here).

      OK
      DTC B2410 or B2411 is not output.

   
   
   • OKClick here
   • NGClick here
2. Click here

   CHECK HARNESS AND CONNECTOR (BATTERY - AFS ECU)

   
   

   1. Disconnect the A53 AFS ECU (headlight swivel ECU assembly) connector.

   2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition A53-14 (IGS) - Body ground Power switch on (IG) 11 to 14 V

   
   
   • OKClick here
   • NGClick here
3. Click here

   CHECK HARNESS AND CONNECTOR (AFS ECU - BODY GROUND)

   
   

   1. Disconnect the A53 AFS ECU (headlight swivel ECU assembly) connector.

   2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition A53-22 (E1) - Body ground Always Below 1 Ω

   
   
   • OKClick here
   • NGClick here
4. Click here

   CHECK HARNESS AND CONNECTOR (AFS ECU - HEADLIGHT ASSEMBLY)

   
   

   1. Disconnect the A53 AFS ECU (headlight swivel ECU assembly) connector.

   2. Disconnect the A95 headlight assembly LH connector or A101 headlight assembly RH connector.

   3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Table 1. LH Side (B2410) Tester Connection Condition Specified Condition A53-1 (SMBL) - A95-3 (SMBL) Always Below 1 Ω A53-29 (SML) - A95-5 (SML) Always Below 1 Ω A53-23 (SMGL) - A95-1 (LHE) Always Below 1 Ω A53-1 (SMBL) - Body ground Always 10 kΩ or higher A53-29 (SML) - Body ground Always 10 kΩ or higher A53-23 (SMGL) - Body ground Always 10 kΩ or higher
      Table 2. RH Side (B2411) Tester Connection Condition Specified Condition A53-2 (SMBR) - A101-3 (SMBR) Always Below 1 Ω A53-10 (SMR) - A101-5 (SMR) Always Below 1 Ω A53-24 (SMGR) - A101-1 (RHE) Always Below 1 Ω A53-2 (SMBR) - Body ground Always 10 kΩ or higher A53-10 (SMR) - Body ground Always 10 kΩ or higher A53-24 (SMGR) - Body ground Always 10 kΩ or higher

   
   
   • OKClick here
   • NGClick here
5. Click here

   INSPECT AFS ECU (HEADLIGHT SWIVEL ECU ASSEMBLY)

   
   
   1. 

      Reconnect the A53 AFS ECU (headlight swivel ECU assembly) connector.

   2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Table 3. LH Side (B2410) Tester Connection Condition Specified Condition A53-1 (SMBL) - A53-23 (SMGL) Power switch off Below 1 V Power switch on (IG) 11 to 14 V
      Table 4. RH Side (B2411) Tester Connection Condition Specified Condition A53-2 (SMBR) - A53-24 (SMGR) Power switch off Below 1 V Power switch on (IG) 11 to 14 V

      Table 5. Text in Illustration

      *1	Component with harness connected (AFS ECU (Headlight Swivel ECU Assembly))

      Result
      Result Proceed to OK (for LED Headlight) A OK (except LED Headlight) B NG C

   
   
   • AClick here
   • BClick here
   • CClick here
6. Click here

   INSPECT HEADLIGHT UNIT (HARNESS)

   
   

   1. Remove the headlight unit (Click here).

   2. Remove the headlight swivel motor (Click here).

   3. 

      Measure the resistance according to the value(s) in the table below.

      Table 6. Text in Illustration

      *1	Component without harness connected (Headlight Unit LH)	*2	Front view of wire harness connector (to Headlight Swivel Motor LH)
      *3	Component without harness connected (Headlight Unit RH)	*4	Front view of wire harness connector (to Headlight Swivel Motor RH)

      Standard Resistance
      Table 7. LH Side (B2410) Tester Connection Condition Specified Condition A95-3 (SMBL) - 1 (IG) Always Below 1 Ω A95-5 (SML) - 2 (LIN) Always Below 1 Ω A95-1 (LHE) - 3 (GND) Always Below 1 Ω A95-3 (SMBL) - Body ground Always 10 kΩ or higher A95-5 (SML) - Body ground Always 10 kΩ or higher A95-1 (LHE) - Body ground Always 10 kΩ or higher
      Table 8. RH Side (B2411) Tester Connection Condition Specified Condition A101-3 (SMBR) - 1 (IG) Always Below 1 Ω A101-5 (SMR) - 2 (LIN) Always Below 1 Ω A101-1 (RHE) - 3 (GND) Always Below 1 Ω A101-3 (SMBR) - Body ground Always 10 kΩ or higher A101-5 (SMR) - Body ground Always 10 kΩ or higher A101-1 (RHE) - Body ground Always 10 kΩ or higher

   
   
   • OKClick here
   • NGClick here
7. Click here

   CHECK HEADLIGHT SWIVEL MOTOR

   
   

   1. Replace the headlight swivel motor with a new or normally functioning one (Click here).

   2. Check for DTCs (Click here).

      OK
      DTC B2410 or B2411 is not output.

   
   
   • OKClick here
   • NGClick here
8. Click here

   CHECK HEADLIGHT UNIT (HEADLIGHT SWIVEL MOTOR)

   
   

   1. Replace the headlight unit (headlight swivel motor) with a new or normally functioning one (Click here).

   2. Check for DTCs (Click here).

      OK
      DTC B2410 or B2411 is not output.

   
   
   • OKClick here
   • NGClick here
9. Click here

   USE SIMULATION METHOD TO CHECKClick here

10. Click here

    REPAIR OR REPLACE HARNESS OR CONNECTOR

11. Click here

    REPLACE AFS ECU (HEADLIGHT SWIVEL ECU ASSEMBLY)Click here

12. Click here

    REPAIR OR REPLACE HARNESS OR CONNECTOR

13. Click here

    REPLACE HEADLIGHT UNITClick here

14. Click here

    END (HEADLIGHT SWIVEL MOTOR WAS DEFECTIVE)

15. Click here

    END (HEADLIGHT UNIT (HEADLIGHT SWIVEL MOTOR) WAS DEFECTIVE)