Lighting System Lvl Terminal Circuit


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

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

CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND)

LIGHTING SYSTEM - LVL Terminal Circuit


DESCRIPTION

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

WIRING DIAGRAM


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Lighting.Lighting System.Lighting System Lvl Terminal Circuit


INSPECTION PROCEDURE

HINT:
After replacing the headlight leveling ECU, initialization of the ECU is necessary (Toyota Fortuner RM000002CE402CX.html).
1.CHECK HARNESS AND CONNECTOR (DLC3 - HEADLIGHT LEVELING ECU ASSEMBLY)

  1. Disconnect the H17 headlight leveling ECU connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    H17-5 (SPDL) - D3-8 (LVL)
    		Always
    		Below 1 Ω
    H17-5 (SPDL) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


2.CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND)
Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Lighting.Lighting System.Lighting System Lvl Terminal Circuit

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    D3-4 (CG) - Body ground
    		Always
    		Below 1 Ω
    Text in Illustration
    *a
    		Front view of DLC3


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE HEADLIGHT LEVELING ECU ASSEMBLY (Toyota Fortuner RM000000ZQ500LX.html)