Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) The DCM (telematics transceiver) control the vehicle safety connect system functions. Safety connect system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). In some cases, a malfunction may be occurring in the safety connect system. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
CHECK DLC3
(a) Check the DLC3.
Click here .gif)
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.
CHECK INDICATOR
(a) When a malfunction is detected in the safety connect system, the manual (SOS) switch red indicator on the manual (SOS) switch illuminates to inform the driver of the malfunction.
Click here
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of ...
Terminals Of Ecu
TERMINALS OF ECU Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition J157-1 (+B) - J157-20 (E) Y - W-B Power source (+B) Always 11 to 14 V ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Steering Pad: On-vehicle Inspection
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: Be sure to correctly follow the removal and installation procedures for the horn button assembly. PROCEDURE 1. INSPECT HORN BUTTON ASSEMBLY (for Vehicle not Involved in Collision) (a) Perform a diagnostic system check. Click here (b) Visually ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Air Conditioning System: Passenger Side FACE Servo Motor Circuit (B1448/48)
DESCRIPTION The No. 1 air conditioning radiator damper servo sub-assembly (front passenger side mode) sends pulse signals to inform the air conditioning amplifier assembly of the damper position. The air conditioning amplifier assembly activates the motor (normal or reverse) based on these signals t ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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