Lighting System (For Sedan) Terminals Of Ecu

Vehicle Exterior. Yaris. Ncp93, 131
Lighting (Ext). Yaris. Ncp93, 131
  1. CHECK MAIN BODY ECU

Lighting System (For Sedan) -- Terminals Of Ecu



CHECK MAIN BODY ECU

Yaris. Ncp93, 131.Lighting (Ext).Lighting System (For Sedan).Lighting System (For Sedan)  Terminals Of Ecu


Yaris. Ncp93, 131.Lighting (Ext).Lighting System (For Sedan).Lighting System (For Sedan)  Terminals Of Ecu

  1. Disconnect the 4B and 4E main body ECU connectors.

  2. Measure the resistance and voltage between each terminal of the wire harness side connectors and body ground.

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    4B-30 (BECU) - Body ground
    L - Body ground
    Battery power supply
    Always
    11 to 14 V
    4E-17 (GND1) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    If the result is not as specified, there may be a malfunction on the wire harness side.