LVL Terminal Circuit (From 08/2009): Procedure

1. Disconnect the A53 AFS ECU (headlight swivel ECU assembly) connector.
   Fig 1: Identifying A53 AFS ECU (headlight swivel ECU assembly) & F17 DLC3 - AFS ECU Connector

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A53-7 (INIT) - F17-8 (LVL)	Always	Below 1 Ω
   A53-7 (INIT) - Body ground	Always	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

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

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Measure the resistance according to the value(s) in the table below.
   Fig 2: Identifying F17 DLC3 (Body Ground)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F17-4 (CG) - Body ground	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *1

   DLC3

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   3