Toyota Tacoma manuals

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

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:

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND DRIVER SIDE JUNCTION BLOCK (a) Remove the main body ECU (multiplex network body ECU) from the driver side junction block (See page ). (b) Disconnect the 1D driver side junction block connector. (c) Measure the voltag ...

Components
COMPONENTS ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ...

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL FRONT PROPELLER SHAFT UNIVERSAL JOINT SPIDER BEARING (a) Apply MP grease to a new spider and spider bearing. (b) Fit the spider into the flange yoke. (c) Measure dimension A between the snap ring grooves. ...

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