DIAGNOSIS SYSTEM
DESCRIPTION
(a) Power window control system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle 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.
Click here
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.
Problem Symptoms Table
Terminals Of EcuLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Vacuum Warning Switch: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT BRAKE FLUID LEVEL IN RESERVOIR Click here 2. INSPECT BRAKE BOOSTER ASSEMBLY Click here 3. REMOVE FRONT WIPER MOTOR AND LINK ASSEMBLY Click here 4. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY Click here 5. INSPECT VACUUM WARNING SWITCH ASSEMBLY (a) St ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Headup Display Switch: Inspection
INSPECTION PROCEDURE 1. INSPECT HEADUP DISPLAY SWITCH ASSEMBLY (INTEGRATION CONTROL AND PANEL ASSEMBLY) (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 5 (ILU) - 15 (CH) Headup display swit ...