LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2008 >> Corolla LE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 109 (Convertible) >> Convertible Roof Control System >> Vehicle Speed Signal Circuit >> Inspection Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK OPERATION OF SPEEDOMETER 
    1. Drive the vehicle and check if operation of the speedometer in the combination meter is normal.

      OK: Speedometer display is normal. 

      HINT:

      The vehicle speed sensor is operating normally if the speedometer display is normal.

    NG:  GO TO COMBINATION METER

    OK: Go to Next Step 

  2. CHECK WIRE HARNESS (CONVERTIBLE ROOF CONTROL ECU - COMBINATION METER) 
    1. Disconnect the C18 ECU connector.
    2. Disconnect the C7 meter connector.
    3. Measure the resistance of the wire harness side connectors.

      Resistance 

      CONVERTIBLE ROOF CONTROL ECU - COMBINATION METER

      Tester Connection Specified Condition
      C18-2(SPD)-C7-36 Below 1 Ω
      C18-2 (SPD) - Body ground 10 kΩ or higher
    Fig 1: Identifying C7 Meter Connector Terminals
    G05132825Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: REPLACE CONVERTIBLE ROOF CONTROL ECU