Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Extension Module Malfunction 2 (B1556)
DESCRIPTION
This DTC is stored when a malfunction occurs in the Navigation ECU.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B1556 | Extension Module Malfunction 2 | When any of the following conditions is met:
| Navigation ECU |
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.
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PROCEDURE
| 1. | CHECK DTC |
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs(b) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble CodesOK:
No DTCs are output.
| OK |  | USE SIMULATION METHOD TO CHECK |
| NG | | REPLACE NAVIGATION ECU |
HD Radio Tuner Malfunction (B1551,B15A0,B15B3-B15B5,B15B7,B15F9)
DESCRIPTION These DTCs are stored when a malfunction occurs in the radio receiver assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B1551 HD Radio Tuner Malfunction ...
Touch Pad Sensor Malfunction (B1559)
DESCRIPTION This DTC is stored if the remote touch (remote operation controller assembly) detects a malfunction in itself, such as internal hardware failure or remote touch screen sensor malfunction. ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Rear No. 2 Seat Outer Belt Assembly: Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. INSPECT REAR NO. 2 SEAT OUTER BELT ASSEMBLY Click here 2. INSTALL REAR NO. 2 SEAT OUTER BELT ASSEMBLY (a) Engage the 2 guides and tempo ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Audio And Visual System (for 12.3 Inch Display): No Sound can be Heard from Speakers
PROCEDURE 1. CHECK AUDIO SETTINGS (a) In sound output setting mode, set volume, fader and balance to the initial values and check that the sound is normal. OK: Audio system returns to normal. HINT: Sound quality adjustment measures vary according to the type of amplifier. OK END ...
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
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