Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Engine Control System Malfunction (C1201)

DESCRIPTION

If a malfunction in the engine control system is detected, VSC and TRAC operations are prohibited by the fail-safe function.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1201

Engine Control System Malfunction

A malfunction signal is received from the ECM.

Engine control system

PROCEDURE

1.

CHECK DTC (ENGINE CONTROL SYSTEM)

(a) Check if any engine control system DTC is output.

Result

Result

Proceed to

DTC is not output

A

DTC is output

B

A

USE SIMULATION METHOD TO CHECK

B

GO TO ENGINE CONTROL (DIAGNOSTIC TROUBLE CODE CHART)

SM Solenoid Circuit (C1225,C1468,C1469,C146A,C146B)
DESCRIPTION These solenoids turn on when signals are received from the skid control ECU (brake actuator assembly) and they control the pressure acting on the wheel cylinders to control the brakin ...

ECM Communication Circuit Malfunction (C1203)
DESCRIPTION The circuit is used to send TRAC and VSC control information from the skid control ECU (brake actuator assembly) to the ECM, and engine control information from the ECM to the skid co ...

Other materials:

Terminals Of Ecu
TERMINALS OF ECU NOTICE: DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the Techstream once the inspection has been completed. Do not apply excessive force to the f5 forward recognition camera connector. ...

Vsc Off Switch
Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT VSC OFF SWITCH (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Text in Illustration *a Component without h ...

What to do if...
■ Instrument cluster ■ Center panel ■Warning lights *1: Slip indicator comes on. *2: The indicator flashes to indicate a malfunction. GAS STATION INFORMATION ...

В© 2011-2020 Copyright www.ttguide.net