Lexus RX (RX 350L, RX450h) 2016-2023 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 ...
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Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Safety Connect System: Airbag Signal Signal Plausibility Failure (B15C464)
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Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Vacuum Warning Switch: Removal
REMOVAL PROCEDURE 1. REMOVE FRONT WIPER MOTOR AND LINK ASSEMBLY Click here 2. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY Click here 3. REMOVE VACUUM WARNING SWITCH ASSEMBLY (for TMC Made) (a) Disconnect the connector from the vacuum warning switch assembly. (b) Remove the vacuum w ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
- General
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