Toyota Camry owners & service manuals

Toyota Camry (XV70): Terminals Of Ecu

TERMINALS OF ECU

NOTICE:

  • DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the Techstream once the inspection has been completed.
  • Do not apply excessive force to the millimeter wave radar sensor assembly connector.

CHECK MILLIMETER WAVE RADAR SENSOR ASSEMBLY

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

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

A30-8 (IGB) - A30-1 (SGND)

B - W-B

Power source

Ignition switch ON

11 to 14 V

Ignition switch off

Below 1 V

A30-1 (SGND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

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     Diagnosis System

    DIAGNOSIS SYSTEM DIAGNOSIS FUNCTION (a) If a malfunction is detected in the millimeter wave radar sensor assembly, the millimeter wave radar sensor assembly stores DTCs without directly informing the

     Dtc Check / Clear

    DTC CHECK / CLEAR CHECK FOR DTC (a) Check for DTCs (Test Failed / Pending / Confirmed). Body Electrical > Front Radar Sensor > Trouble Codes Techstream Display Description Test F

     Freeze Frame Data

    FREEZE FRAME DATA DESCRIPTION (a) Whenever a front radar sensor system DTC is stored, the millimeter wave radar sensor assembly stores the current vehicle state as Freeze Frame Data. CHECK FREEZE FR

    SEE MORE:

     Removal

    REMOVAL PROCEDURE 1. REMOVE UNION TO CHECK VALVE HOSE (for A25A-FKS) (a) Slide the clip and disconnect the union to check valve hose from the brake booster assembly. (b) Slide the clip and disconnect the union to check valve hose from the No. 1 vacuum hose connector.

     How To Proceed With Troubleshooting

    CAUTION / NOTICE / HINT HINT: The ECM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communication system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP

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