Lexus NX: Dtc Check / Clear
DTC CHECK / CLEAR
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 or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Access. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.
CHECK FOR DTC (POWER SOURCE CONTROL)
(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 / Power Source Control / Trouble Codes.
Body Electrical > Power Source Control > Trouble Codes(e) Check for DTCs.
CHECK FOR DTC (SMART ACCESS)
(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 / Smart Access / Trouble Codes.
Body Electrical > Smart Access > Trouble Codes(e) Check for DTCs.
CHECK FOR DTC (HYBRID CONTROL)
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CLEAR DTC (POWER SOURCE CONTROL)
(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 / Power Source Control / Trouble Codes.
Body Electrical > Power Source Control > Clear DTCs(e) Clear the DTCs by following the directions on the Techstream display.
CLEAR DTC (SMART ACCESS)
(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 / Smart Access / Trouble Codes.
Body Electrical > Smart Access > Clear DTCs(e) Clear the DTCs by following the directions on the Techstream display.
CLEAR DTC (HYBRID CONTROL)
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Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Smart Access System with Push-button Start (for Start Function) DTC No. Detection Item Link B2271 Ignition Hold Monitor Malfunction B2274 ACC Moni
Ignition Hold Monitor Malfunction (B2271)
DESCRIPTION This DTC is stored when a malfunction in the IG circuit and IG hold circuit in the certification ECU (smart key ECU assembly) is detected. DTC No. Detection Item DTC Detection Condi
ACC Monitor Malfunction (B2274)
DESCRIPTION This DTC is stored when a malfunction in the ACC output circuit is detected. The ACC output circuit is the circuit that goes from the ACC output terminal of the certification ECU (smart ke
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Vehicle Speed Signal Circuit between Navigation ECU and Combination Meter
DESCRIPTION The navigation ECU receives a vehicle speed signal from the combination meter assembly. HINT:
A voltage of 12 V or 5 V is output from each ECU and then input to the combination meter assembly. The signal is changed to a pulse signal at the transistor in the combination meter assembly.
