Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: Dtc Check / Clear

DTC CHECK / CLEAR

NOTICE:

  • The steering lock ECU (steering lock actuator or UPR bracket assembly) does not store history DTCs. If any DTCs are output, confirm and record them as soon as possible. Do not turn the engine 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 engine 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 Key. 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.

1. CHECK FOR DTC (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Turn the engine switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the engine switch on (IG).

(d) Turn the Techstream on.

(e) Enter the following menus: Body Electrical / Main Body / Trouble Codes.

(f) Check for DTCs.

2. 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 or UPR bracket assembly) via the certification ECU (smart key ECU assembly).

(a) Turn the engine switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the engine switch on (IG).

(d) Turn the Techstream on.

(e) Enter the following menus: Body Electrical / Smart Key / Trouble Codes.

(f) Check for DTCs.

3. CLEAR DTC (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Turn the engine switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the engine switch on (IG).

(d) Turn the Techstream on.

(e) Enter the following menus: Body Electrical / Main Body / Trouble Codes.

(f) Clear the DTCs.

4. CLEAR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

(a) Turn the engine switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the engine switch on (IG).

(d) Turn the Techstream on.

(e) Enter the following menus: Body Electrical / Smart Key / Trouble Codes.

(f) Clear the DTCs.

Diagnosis System
DIAGNOSIS SYSTEM 1. DESCRIPTION (a) The steering lock ECU (steering lock actuator or UPR bracket assembly) stores DTCs when a malfunction occurs in the system. These DTCs can be confirmed by using ...

Terminals Of Ecu
TERMINALS OF ECU 1. TERMINAL INSPECTION Text in Illustration *a Component without harness connected (Steering Lock ECU (Steering Lock Actuator or UPR Bracket Assembly)) ...

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