DESCRIPTION
The main body ECU (multiplex network body ECU) controls the operation of the TAIL relay.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
PROCEDURE
1. | PERFORM ACTIVE TEST USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Main Body / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Body Electrical > Main Body > Active Test Tester Display | Measurement Item | Control Range | Diagnostic Note |
---|---|---|---|
Taillight Relay | Taillight relay | OFF or ON | - |
Tester Display |
---|
Taillight Relay |
OK:
Taillights illuminate.
OK | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. | CHECK HARNESS AND CONNECTOR (POWER SOURCE - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) |
(a) Disconnect the 2E instrument panel junction block assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
2E-1 - Body ground | Always | 11 to 14 V |
NG | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. | INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
*a | Component without harness connected (Instrument Panel Junction Block Assembly) | - | - |
(a) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.
Click here
(b) Connect a positive (+) lead from the battery to terminal 2E-1.
(c) Connect a negative (-) lead from the battery to terminal MB-14 (TRLY).
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
2C-32 - Battery negative (-) terminal | Always | 11 to 14 V |
2D-30 - Battery negative (-) terminal | Always | 11 to 14 V |
OK | REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
NG | REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Rear Drive Shaft Assembly: Disassembly
DISASSEMBLY PROCEDURE 1. SEPARATE REAR NO. 2 DRIVE SHAFT INBOARD JOINT BOOT CLAMP (a) Secure the drive shaft in a vise between aluminum plates. NOTICE: Do not overtighten the vise. (b) Using needle-nose pliers, disengage the 2 claws as shown in the illustration and separate the rear No. 2 drive s ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Brake (front): Front Disc Brake Pad
ReplacementREPLACEMENT CAUTION / NOTICE / HINT NOTICE: After replacing the front disc brake pads, the brake pedal may feel soft due to clearance between the front disc brake pads and front disc. Depress the brake pedal several times until the brake pedal feels firm. HINT:
Use the same procedure f ...