Toyota Camry (XV70): Terminals Of Ecu
Toyota Camry Repair Manual XV70 (2018-2024) / Engine, Hybrid System / Cruise Control / Front Radar Sensor System / 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
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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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