Lexus NX: Diagnosis System

DIAGNOSIS SYSTEM

DESCRIPTION

(a) The DCM (telematics transceiver) control the vehicle safety connect system functions. Safety connect system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). In some cases, a malfunction may be occurring in the safety connect system. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.

CHECK DLC3

(a) Check the DLC3.

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INSPECT AUXILIARY BATTERY VOLTAGE

(a) Measure the auxiliary battery voltage with the power switch off.

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the auxiliary battery.

CHECK INDICATOR

(a) When a malfunction is detected in the safety connect system, the manual (SOS) switch red indicator on the manual (SOS) switch illuminates to inform the driver of the malfunction.

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READ NEXT:

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Telematics / Trouble

 Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a pa

 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Safety Connect System DTC No. Detection Item Link B153711 Telephone Sub Antenna Circuit Short to Ground B153713 Telephone Sub Antenna Circuit Open

SEE MORE:

 AUTO Power Retract Mirrors do not operate

DESCRIPTION When the outer mirror switch assembly is set to AUTO (neutral position), an AUTO signal is detected by the main body ECU (multiplex network body ECU). When locking and unlocking all doors with the power switch off, the main body ECU (multiplex network body ECU) sends deploy/retract signa

 Hybrid Battery System Discharge Time Too Long (P0C76-523)

DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU detects that the electrical charge stored in the high-voltage condenser of the inverter with converter assembly cannot be discharged. The cause of this malfunction may be one of the following: Inside of inverter voltage sensor (VH)

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