Toyota Camry (XV70): Diagnosis System

Toyota Camry Repair Manual XV70 (2018-2024) / Power Source, Network / Networking / Lin Communication System / Diagnosis System

DIAGNOSIS SYSTEM

DESCRIPTION

The main body ECU (multiplex network body ECU) and certification ECU (smart key ECU assembly) control the LIN communication system. LIN communication system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3).

When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.

CHECK DLC3

(a) Check the DLC3.

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INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery.

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Reassembly

REASSEMBLY PROCEDURE 1. INSTALL SOLENOID (SL) VALVE (a) Coat the solenoid (SL) valve with Toyota Genuine ATF WS. (b) Install the solenoid (SL) valve to the transmission valve body assembly with the bolt. Torque: 7.0 N

Installation

INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. TEMPORARILY INSTALL REAR AXLE CARRIER SUB-ASSEMBLY (a) Temporarily install the rear axle carrier sub-assembly to the rear shock abso

Toyota Camry (XV70): Diagnosis System

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Reassembly

Installation