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
Microphone CircuitLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Sliding Roof System: Operation Check
OPERATION CHECK CHECK AUTO OPERATION FUNCTION NOTICE:
Make sure that initialization has been completed before performing this inspection.
Click here
The sliding roof auto operation can be customized. Make sure that the auto operation customize setting is set to ON.
Click here HINT: When ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Automatic Transaxle System: Torque Converter Clutch Pressure Control Solenoid Control Circuit Open (P275613)
DESCRIPTION The ECM controls the shift solenoid valve SLU using a predetermined current, and performs lock-up and flex lock-up control. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P275613 Torque Converter Clutch Pressure Control Solenoid Control ...