Lexus NX: Dtc Check / Clear
DTC CHECK / CLEAR
NOTICE:
- The steering lock ECU (steering lock actuator assembly) does not store history DTCs. If any DTCs are output, confirm and record them as soon as possible. Do not turn the power switch off or clear the DTCs until the DTCs are confirmed and recorded.
- DTCs may have been stored due to problems unrelated to the steering lock system. Be sure to confirm and record any DTCs output for other systems.
- When using the Techstream with the power switch off, connect the Techstream to the vehicle 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 (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))
(a) Turn the power switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the power switch on (IG).
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / Main Body / Trouble Codes.
Body Electrical > Main Body > Trouble Codes(f) Check for DTCs.
CHECK FOR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))
HINT:
The steering lock system DTCs are output from the steering lock ECU (steering lock actuator assembly) via the certification ECU (smart key ECU assembly).
(a) Turn the power switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the power switch on (IG).
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / (desired system) / Data List.
Body Electrical > Smart Access > Trouble Codes Body Electrical > Power Source Control > Trouble Codes(f) Check for DTCs.
CLEAR DTC (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))
(a) Turn the power switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the power switch on (IG).
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / Main Body / Trouble Codes.
Body Electrical > Main Body > Clear DTCs(f) Clear the DTCs.
CLEAR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))
(a) Turn the power switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the power switch on (IG).
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / (desired system) / Data List.
Body Electrical > Smart Access > Clear DTCs Body Electrical > Power Source Control > Clear DTCs(f) Clear the DTCs.
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