Toyota Tacoma 2015-2018 Service Manual: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a trouble code is stored during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to "See page" below.
Transponder Key ECU Assembly|
DTC Code |
Detection Item |
See page |
|---|---|---|
|
B2780 |
Push Switch / Key Unlock Warning Switch Malfunction |
|
|
B2784 |
Antenna Coil Open / Short |
|
|
B2793 |
Transponder Chip Malfunction |
|
|
B2794 |
Unmatched Encryption Code |
|
|
B2797 |
Communication Malfunction No. 1 |
|
|
B2798 |
Communication Malfunction No. 2 |
|
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HINT:
The DTCs for the engine immobiliser system are specified below. If other codes are output, check the DTC chart for the SFI system.
ECM|
DTC Code |
Detection Item |
See page |
|---|---|---|
|
B2799*1 |
Engine Immobiliser System Malfunction |
|
|
B279986*2 |
Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid |
|
|
B279A*1 |
Theft Deterrent System Communication Line High Fixation |
|
|
B279A12*2 |
Engine Immobiliser System Circuit Short to Battery |
|
|
B279C*1 |
Theft Deterrent System Presence Detection |
|
|
B279C95*2 |
Engine Immobiliser System Incorrect Assembly |
|
- *1: for 2TR-FE
- *2: for 2GR-FKS
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any p ...
Theft Deterrent System Communication Line High Fixation (B279A,B279A12)
DESCRIPTION
If the communication line (EFIO-IMI) to the transponder key ECU assembly is stuck
high (e.g. shorted to +B), the ECM stores this DTC.
DTC No.
DTC Detection Condit ...
Other materials:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
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 sy ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DIAGNOSIS
(a) If the skid control ECU (master cylinder solenoid) detects a malfunction,
the ABS and/or BRAKE warning lights and the slip indicator lights come on in accordance
with the trouble area to warn the driver.
HINT:
The DTCs are simultaneously stored in th ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE
1. PRECAUTION
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting
the cable from the ...