Lexus NX: DCM System Internal Failure (B15A804)
Lexus NX Service Manual / Audio & Visual & Telematics / Cellular Communication / Safety Connect System / DCM System Internal Failure (B15A804)
DESCRIPTION
This DTC is stored when an internal circuit malfunction is detected by the DCM (telematics transceiver) self check.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B15A804 | DCM System Internal Failure | DCM (telematics transceiver) internal malfunction | DCM (telematics transceiver) |
CAUTION / NOTICE / HINT
NOTICE:
- Regardless of whether DTC B15A804 has been output as a present or history DTC, the DCM (telematics transceiver) should be replaced.
-
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for safety connect system.
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PROCEDURE
| 1. | REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (telematics transceiver).
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NOTICE:
- The power switch must be off.
- Do not exchange the DCM (telematics transceiver) with one from another vehicle.
| NEXT | .gif) | PERFORM DCM ACTIVATION |
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DESCRIPTION This may occur when the intensity of telephone radio frequency was very weak or the safety connect system has a malfunction and a DTC is stored. PROCEDURE 1. CHECK COMMUNICATION SERV
SEE MORE:
Parts Location
PARTS LOCATION ILLUSTRATION *A w/ Blind Spot Monitor System - - *1 FRONT TELEVISION CAMERA ASSEMBLY *2 REAR TELEVISION CAMERA ASSEMBLY *3 SIDE TELEVISION CAMERA ASSEMBLY RH *4 SIDE TELEVISION CAMERA ASSEMBLY LH *5 BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY (SKID
Manifold Absolute Pressure Sensor
ComponentsCOMPONENTS ILLUSTRATION *1 MANIFOLD ABSOLUTE PRESSURE SENSOR *2 VACUUM HOSE N*m (kgf*cm, ft.*lbf): Specified torque - - On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. CHECK MANIFOLD ABSOLUTE PRESSURE SENSOR FUNCTION (a) Connect the Techstream to the DLC3.
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