Lexus NX: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) Smart access system with push-button start (for Entry Function) 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 smart access system with push-button start. 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.
READ NEXT:
Dtc Check / Clear
DTC CHECK / CLEAR CHECK FOR DTC NOTICE: When using the Techstream with the power switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds
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
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Smart Access System with Push-button Start (for Entry Function) DTC No. Detection Item Link B27A1 Open in Driver Side Electrical Antenna Circuit B27
SEE MORE:
Speed Signal Circuit
DESCRIPTION The combination meter assembly receives the vehicle speed signal from this circuit. The wheel speed sensors produce an output that varies according to the vehicle speed. The wheel speed sensor output is received by the brake booster with master cylinder assembly (skid control ECU) which
Removal
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The following procedure is for the LH side.
NOTICE:
While the auxiliary battery is connected, even if the power switch is off, the brake control system activates when the brake pedal is depressed or the
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