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:

Acceleration Sensor Power Supply Voltage Malfunction (C1381)
DESCRIPTION The skid control ECU (brake actuator assembly) receives signals from the yaw rate and acceleration sensor (airbag sensor assembly) via the CAN communication system. The airbag sensor assembly has a built-in acceleration sensor and detects the vehicle condition. If there is troub ...

Adjustment
ADJUSTMENT PROCEDURE 1. REMOVE FRONT CONSOLE BOX (See page ) 2. ADJUST TRANSMISSION CONTROL CABLE ASSEMBLY (a) Move the shift lever to N. (b) Disconnect the end of the transmission control cable assembly from the transmission floor shift assembly. Text in Illustration ...

Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for both the LH and RH sides. The procedure described below is for the LH side. PROCEDURE 1. INSTALL FOG LIGHT ASSEMBLY (a) Engage the 2 guides to install the fog light assembly. (b) Install the screw. (c) Co ...

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