Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Start Up Signal Circuit between Radio Receiver Assembly and Navigation ECU
DESCRIPTION
This circuit includes the navigation ECU and radio receiver assembly.
WIRING DIAGRAM
PROCEDURE
| 1. | CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NAVIGATION ECU) |
(a) Disconnect the J149 radio receiver assembly connector.
(b) Disconnect the J153 navigation ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| J149-7 (SUP) - J153-21 (SUP) | Always | Below 1 Ω |
| J149-7 (SUP) or J153-21 (SUP) - Body ground | Always | 10 kΩ or higher |
| OK |  | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
Reverse Signal Circuit between Radio Receiver Assembly and Navigation ECU
DESCRIPTION This circuit includes the navigation ECU and radio receiver assembly. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NAVIGATION ECU) (a) Disco ...
Microphone Circuit
DESCRIPTION
The radio receiver assembly and telephone microphone assembly are connected to each other using the microphone connection detection signal lines.
Using this circuit, the radio receive ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Owners Manual > Bluetooth Phone: Using a Bluetooth phone
message
Once a MAP-profile compatible Bluetooth phone is registered, you can
check the E-mail/SMS/MMS and reply to a message using the following procedures:
Checking messages
1. Go to message screen: "MENU" button → "Phone" → "Messages"
2. Select a message.
Moving the controller to the left while o ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Power Steering System: Drive Mode Select Switch Circuit
DESCRIPTION The electronic throttle and the EPS character change by the operation of the drive mode select switch (combination switch assembly). WIRING DIAGRAM PROCEDURE 1. CHECK THE PROBLEM SYMPTOMS (a) Check each symptom by checking the suspected areas in the table below. Result Pro ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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