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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Catalyst System Efficiency Below Threshold Bank 1 (P042000,P043000)
MONITOR DESCRIPTION The ECM uses sensors mounted in front of and behind the Three-Way Catalytic Converter (TWC) to monitor its efficiency.
The first sensor, the air fuel ratio sensor, sends pre-catalyst information to the ECM. The second sensor, the heated oxygen sensor, sends post-catalyst inform
Installation
INSTALLATION PROCEDURE 1. INSTALL NO. 2 ECM BRACKET
(a) Install the No. 2 ECM bracket to the ECM with the 2 screws. Torque:
4.5 N·m {46 kgf·cm, 40 in·lbf} 2. INSTALL NO. 1 ECM BRACKET (a) Install the No. 1 ECM bracket to the ECM with the 2 screws.
Torque: 4.5 N·m {46 kgf·cm, 40 in·lbf}
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