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 |
Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Safety Connect System: Airbag Signal Signal Plausibility Failure (B15C464)
DESCRIPTION If the DCM (telematics transceiver) detects an error in communication between the DCM (telematics transceiver) and the airbag sensor assembly as a result of the DCM (telematics transceiver) self check, this DTC will be set. DTC No. Detection Item DTC Detection Condition Trouble ...
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 ...