Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Voice Guidance does not Function
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.
Click here .gif)
PROCEDURE
| 1. | CHECK VOICE GUIDANCE SETTING |
(a) Check that the voice guidance settings are not off.
OK:
Voice guidance settings are not off.
| NG | .gif) | CHANGE THE VOICE GUIDANCE SETTINGS TO ON |
|
.gif)
| 2. | 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 |
|---|---|---|
| J149-22 (SI+) - J153-6 (VOI+) | Always | Below 1 Ω |
| J149-23 (SI-) - J153-7 (VOI-) | Always | Below 1 Ω |
| J149-22 (SI+) or J153-6 (VOI+) - Body ground | Always | 10 kΩ or higher |
| J149-23 (SI-) or J153-7 (VOI-) - Body ground | Always | 10 kΩ or higher |
| J153-8 (SLD1) - Body ground | Always | 10 kΩ or higher |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
| 3. | CHECK AUDIO FUNCTION |
(a) Check that sound can be heard from a front speaker.
OK:
Sound can be heard.
| OK | | REPLACE NAVIGATION ECU |
| NG | | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
"No GPS signal" mark is displayed
CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precau ...
Voice is not Recognized
PROCEDURE 1. CHECK CONDITION (a) While paying attention to the condition of the spoken voice command, perform a voice recognition operation. OK: Voice command is recognized normally. HINT: ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Occupant Classification System: Dtc Check / Clear
DTC CHECK / CLEAR DTC CHECK (a) Turn the engine switch off. (b) Connect the Techstream to the DLC3. (c) Turn the engine switch on (IG), and wait for at least 10 seconds. (d) Turn the Techstream on. (e) Enter the following menus: Body Electrical / Occupant Detection / Trouble Codes. Body Electrical & ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > 2gr-fks (engine Control): Crankshaft Position Sensor
ComponentsCOMPONENTS ILLUSTRATION *A w/ Oil Cooler - - *1 CRANKSHAFT POSITION SENSOR *2 CRANKSHAFT POSITION SENSOR PROTECTOR *3 HOSE CLAMP - - N*m (kgf*cm, ft.*lbf): Specified torque - - RemovalREMOVAL CAUTION / NOTICE / HINT The necessary procedures (adju ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
0.0168