LIGHTING SYSTEM LVL Terminal Circuit

DESCRIPTION

• When terminals LVL and CG of the DLC3 are connected, the headlight leveling ECU initializes the height control sensor signal.

WIRING DIAGRAM

*a	Headlight Leveling ECU Assembly

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (DLC3 - HEADLIGHT LEVELING ECU ASSEMBLY)

   

   Text in Illustration

   *1	Front view of wire harness connector (to Headlight Leveling ECU Assembly)
   *2	DLC3

   
   

   1. Disconnect the A49 ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition A49-5 (PRST) - H16-8 (LVL) Always Below 1 Ω A49-5 (PRST) - Body ground Always 10 kΩ or higher

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

2. CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND)

   

   Text in Illustration

   *1

   DLC3

   
   

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

      Standard Resistance
      Tester Connection Condition Specified Condition E16-4 (CG) - Body ground Always Below 1 Ω

   
   

   OK

   PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR