LIGHTING (EXT)  AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM  LVL Terminal Circuit  


DESCRIPTION

By connecting terminals LVL and CG of the DLC3, the headlight leveling ECU assembly will begin initializing the height control sensor signal.

WIRING DIAGRAM

E284214E08
1.25,0.625 1.417,0.792 0.167,0.167 10 false 8 1.25,1.271 1.417,1.438 0.167,0.167 10 false 4 0.885,0.74 1.219,0.906 0.333,0.167 10 false LVL 0.938,1.385 1.188,1.552 0.25,0.167 10 false CG 0.615,2.719 0.948,2.885 0.333,0.167 10 false E13 0.615,2.885 1.031,3.052 0.417,0.167 10 false DLC3 5.625,2.729 6.104,2.948 0.479,0.219 10 false A60 5.625,2.885 7.083,3.229 1.458,0.344 10 false Headlight Leveling ECU Assembly 5.813,0.625 5.979,0.792 0.167,0.167 10 false 5 6,0.729 6.417,0.896 0.417,0.167 10 false INIT

PROCEDURE

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

Disconnect the A60 headlight leveling ECU assembly connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
E13-8 (LVL) - A60-5 (INIT) Always Below 1 Ω
E13-8 (LVL) or A60-5 (INIT) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

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

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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

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

Standard Resistance:
Tester Connection Condition Specified Condition
E13-4 (CG) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR