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))
...
Other materials:
CD cannot be Ejected
PROCEDURE
1.
CHECK OPERATION
(a) Press the disc eject switch of the navigation receiver assembly for 5 seconds
or more and check that the CD is ejected.
OK:
CD is ejected.
NG
REPLACE NAVIGATION RECEIVER ASSEMBLY
...
Skid Control Buzzer Circuit (C1A4A)
DESCRIPTION
Based on dynamic radar cruise control system operation, the forward recognition
camera provides warnings to the driver by sounding the skid control buzzer.
DTC C1A4A is stored when a malfunction is detected in the skid control buzzer
circuit.
DTC No.
Detectio ...
Front Passenger Side Power Window Auto Up / Down Function does not Operate with
Front Passenger Side Power Window Switch
DESCRIPTION
If the manual up/down function can be performed but the auto up/down function
cannot, the fail-safe mode may be functioning.
If the power window initialization (See page
) has not been performed, the auto up/down function will not operate.
WIRING DIAGRAM
CAUTION / NOTICE / HIN ...
