LIGHTING SYSTEM LVL Terminal Circuit

DESCRIPTION

• By connecting terminals LVL and CG of the DLC3, the headlight leveling ECU assembly initializes the height control sensor signal.

WIRING DIAGRAM

*a	Headlight Leveling ECU Assembly

PROCEDURE

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

   
   

   1. Disconnect the A48 headlight leveling ECU assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition A48-5 (INIT) - L61-8 (LVL) Always Below 1 Ω A48-5 (INIT) - Body ground Always 10 kΩ or higher

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

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

   
   

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

      Standard Resistance
      Tester Connection Condition Specified Condition L61-4 (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