Toyota Tacoma (2015-2018) Service Manual: Dtc Check / Clear
DTC CHECK / CLEAR
HINT:
- DTCs which are stored in the ECM can be displayed on the Techstream.
- The Techstream can display pending DTCs and current DTCs. Some DTCs are not stored unless a malfunction is detected in consecutive driving cycles. When a malfunction is detected in only one driving cycle, it is stored as a pending DTC.
1. CHECK DTC (Using Techstream)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Transmission / Trouble Codes.
(e) Check for DTCs and freeze frame data, and write them down.
|
Techstream Display |
Description |
|---|---|
|
Test Failed |
Shows the malfunction judgment results for the current trip. |
|
Pending |
Shows the malfunction judgment results from when the DTCs were last cleared up until they were checked. (Indicates the possibility of a malfunction when no DTCs are confirmed.) |
|
Confirmed |
Shows the DTCs confirmed up to now. (The number of current trips differs for each DTC.) |
(f) Check the details of the DTCs (See page .gif)
).
NOTICE:
When simulating a symptom and using the Techstream to check for DTCs, use normal mode. For DTCs in the Diagnostic Trouble Code Chart subject to "2 trip detection logic", perform the following:
Turn the ignition switch off after the symptom is simulated once. Then repeat the simulation process. When the symptom has been simulated twice, the MIL will illuminate and DTCs will be stored in the ECM.
2. CLEAR DTC (When Using Techstream)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Transmission / Clear DTCs.
(e) Clear the DTCs.
3. CLEAR DTC (When not Using Techstream)
(a) Perform either of the following operations:
NOTICE:
After turning ignition switch off, waiting time may be required before disconnecting
the cable from the negative (-) battery terminal. Therefore, make sure to read the
disconnecting the cable from the negative (-) battery terminal notices before proceeding
with work (See page ).
(1) Disconnect the cable from the negative (-) battery terminal for more than 1 minute.
(2) Remove the EFI NO. 1 and ETCS fuses from the engine room relay block, located inside the engine compartment, for more than 1 minute.
Data List / Active Test
DATA LIST / ACTIVE TEST
1. 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 dec ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Manual Transmission System
DTC Code
Detection Item
MIL
Memory
See page
P03352A
Cranks ...
Other materials:
Check Bus 3 Line for Short to +B
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and +B when no
resistance exists between terminal 6 (CA3H) of the central gateway ECU (network
gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 21 (CA3L) of the central
gateway ECU (network gateway ECU) and t ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of probability in the "Suspected Area" column of the table. Check each symptom by
checking the ...
Cruise Control Input Processor (P160700)
DESCRIPTION
The ECM continuously monitors its main and sub CPUs. This self-check ensures
that the ECM is functioning properly. If outputs from the CPUs are different and
deviate from the standard, the ECM will illuminate the MIL and store the DTC.
DTC No.
Detection Item
...
