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:

Pressure Control Solenoid "A" Actuator Stuck Off (P07457F)
SYSTEM DESCRIPTION The ECM uses the vehicle speed signal and signals from the transmission revolution sensors (NT, SP2) to detect the actual gear (1st, 2nd, 3rd, 4th, 5th or 6th gear). The ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical problems of t ...

Clutch Switch Circuit
DESCRIPTION While depressing the clutch pedal, the clutch start switch assembly sends a signal to terminal MTN of the 4 wheel drive control ECU. While the signal is input, switching between H4 and L4 is possible. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING TECHSTREA ...

Inspection
INSPECTION PROCEDURE 1. INSPECT NO. 1 ULTRASONIC SENSOR (a) Measure the resistance according to the value(s) in the table below. Text in Illustration *a Component without harness connected: (No. 1 Ultrasonic Sensor) Standar ...

В© 2011-2021 Copyright www.ttguide.net