Lexus NX: Diagnosis System
Lexus NX Service Manual / Vehicle Interior / Seat / Front Power Seat Control System (w/ Memory) / Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) Front power seat control system (w/ Memory) data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. 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) Check the auxiliary battery voltage.
Standard voltage:
11 to 14 V (power switch off)
If the voltage is below 11 V, recharge or replace the auxiliary battery.
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 / Driver Seat / Troubl
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. Th
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Front Power Seat Control System (w/ Memory) DTC No. Detection Item Link B2650 Slide Sensor Malfunction B2658 Short in Sensor with Motor Power Supp
SEE MORE:
Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. REMOVE NO. 1 MOULDING TAPE (a) Remove the No. 1 moulding tape (double-sided tape). HINT: Do not pull on the No. 1 moulding tape (double-sided
Motor Terminal Voltage (C1524,C1555)
DESCRIPTION The power steering ECU assembly supplies current to the power steering motor assembly through the motor circuit. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition C1524 Motor Terminal Voltage Short (or open) in mo
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