Lexus NX: Dtc Check / Clear
DTC CHECK / CLEAR
CHECK DTC
(a) Check main body ECU (multiplex network body ECU)
(1) Connect the Techstream to the DLC3.
(2) Turn the power switch on (IG).
(3) Turn the Techstream on.
(4) Enter the following menus: Body Electrical / Main Body / Trouble Codes.
(5) Check for DTCs.
Body Electrical > Main Body > Trouble Codes(b) Check air conditioning amplifier assembly
(1) Connect the Techstream to the DLC3.
(2) Turn the power switch on (IG).
(3) Turn the Techstream on.
(4) Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.
(5) Check for DTCs.
Body Electrical > Air Conditioner > Trouble Codes(c) Check certification ECU (smart key ECU assembly)
(1) Connect the Techstream to the DLC3.
(2) Turn the power switch on (IG).
(3) Turn the Techstream on.
(4) Enter the following menus: Body Electrical / Smart Access / Trouble Codes.
(5) Check for DTCs.
Body Electrical > Smart Access > Trouble CodesCLEAR DTC
(a) Check main body ECU (multiplex network body ECU)
(1) Connect the Techstream to the DLC3.
(2) Turn the power switch on (IG).
(3) Turn the Techstream on.
(4) Enter the following menus: Body Electrical / Main Body / Clear DTCs.
(5) Clear the DTCs.
Body Electrical > Main Body > Clear DTCs(b) Check air conditioning amplifier assembly
(1) Connect the Techstream to the DLC3.
(2) Turn the power switch on (IG).
(3) Turn the Techstream on.
(4) Enter the following menus: Body Electrical / Air Conditioner / Clear DTCs.
(5) Clear the DTCs.
Body Electrical > Air Conditioner > Clear DTCs(c) Check certification ECU (smart key ECU assembly)
(1) Connect the Techstream to the DLC3.
(2) Turn the power switch on (IG).
(3) Turn the Techstream on.
(4) Enter the following menus: Body Electrical / Smart Access / Clear DTCs.
(5) Clear the DTCs.
Body Electrical > Smart Access > Clear DTCsREAD NEXT:
Data List / Active Test
DATA LIST / ACTIVE TEST READ 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
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART LIN Communication System DTC No. Detection Item Link B1206 P/W Master Switch Communication Stop B1273 Sliding Roof ECU Communication Stop
P/W Master Switch Communication Stop (B1206)
DESCRIPTION This DTC is stored when LIN communication between the multiplex network master switch assembly and main body ECU (multiplex network body ECU) stops for 10 seconds or more. DTC No. Det
SEE MORE:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
If the problem only occurs in certain locations or at certain times of day, check for wave interference.
If optional components are installed, check for wave interfere
Removal
REMOVAL PROCEDURE 1. DISCHARGE FUEL SYSTEM PRESSURE Click here 2. PRECAUTION NOTICE: After turning the power switch off, waiting time may be required before disconnecting the cable from the auxiliary battery negative (-) terminal. Click here 3. REMOVE NO. 3 DECK BOARD SUB-ASSEMBLY Click here 4
