INSTALLATION
PROCEDURE
1. INSTALL RADIO RECEIVER ASSEMBLY
2. INSTALL NAVIGATION ECU (w/ Navigation ECU)
3. INSTALL NO. 2 RADIO BRACKET
(a) w/o Navigation ECU:
(1) Install the No. 2 radio bracket with the 3 screws.
(b) w/ Navigation ECU:
(1) Install the No. 2 radio bracket with the 5 screws.
(c) Engage the 2 clamps.
4. INSTALL NO. 1 RADIO BRACKET
(a) w/o Navigation ECU:
(1) Install the No. 1 radio bracket with the 3 screws.
(b) w/ Navigation ECU:
(1) Install the No. 1 radio bracket with the 5 screws.
5. INSTALL NO. 3 INSTRUMENT PANEL REGISTER ASSEMBLY
(a) Engage the 4 claws to install the No. 3 instrument panel register assembly as shown in the illustration.
![]() | Install in this Direction |
6. INSTALL NO. 4 INSTRUMENT PANEL REGISTER ASSEMBLY
HINT:
Use the same procedure as for the No. 3 instrument panel register assembly.
7. INSTALL NO. 1 NAVIGATION WIRE (w/ Navigation ECU)
Click here
8. INSTALL CLOCK ASSEMBLY
Click here
9. INSTALL RADIO RECEIVER ASSEMBLY WITH REGISTER
(a) Connect each connector.
(b) Engage the 7 clips to temporarily install the radio receiver assembly with register as shown in the illustration.
![]() | Install in this Direction |
(c) Install the radio receiver assembly with register with the 2 bolts.
10. INSTALL LOWER INSTRUMENT FINISH PANEL SUB
Click here
11. INSTALL INSTRUMENT CLUSTER FINISH PANEL ORNAMENT
Click here
12. INSTALL LOWER NO. 1 INSTRUMENT PANEL FINISH PANEL
Click here
13. INSTALL LOWER NO. 2 INSTRUMENT PANEL FINISH PANEL
Click here
14. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.
Click here
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Dtc Check / Clear
DTC CHECK / CLEAR CHECK FOR DTC (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 / Central Gateway / Trouble Codes. Body Electrical > Central Gateway > Trouble Codes (e) Read the DTCs. CLEAR D ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Check Bus 2 Line for Short to GND
DESCRIPTION There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal 18 (CA4H) of the network gateway ECU and terminal 4 (CG) of the DLC3, or terminal 17 (CA4L) of the network gateway ECU and terminal 4 (CG) of the DLC3. Symptom Trouble ...