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:
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a trouble code is output during the DTC check, inspect the trouble areas listed
for that code. For details of the code, refer to the "See page".
DTC Code
Detection Item
See page
B1500
F ...
Front Door Courtesy Switch
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT DOOR COURTESY SWITCH
(a) Check the resistance.
(1) Measure the resistance using an ohmmeter, and check the results in accordance
with the value( s) in the table below.
Standard:
Tester Connection
Condition
...
Rear Speed Sensor RH Malfunction (C1403,C1404)
DESCRIPTION
The speed sensor detects wheel speed and sends the appropriate signals to the
skid control ECU (brake actuator assembly). These signals are used for brake control.
The speed sensor rotors have rows of alternating N and S magnetic poles and their
magnetic fields change when the roto ...