TTGuideTacoma manuals & technical reference
Toyota Tacoma (2015-2018) Service Manual / Brake Control / Dynamic Control Systems / Vehicle Stability Control System(for Vacuum Brake Booster) / Engine Control System Malfunction (C1201)

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)
    Related Tacoma materials

    How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the pre-collision system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT ...

    System Description
    SYSTEM DESCRIPTION 1. SYSTEM DESCRIPTION (a) The Electronic Controlled Automatic Transmission (ECT) is an automatic transmission that has its shift timing electronically controlled by the ECM. The ECM detects electrical signals that indicate engine and driving conditions, and controls the sh ...

    Yaw Rate Sensor Circuit (C1AA4,C1AA5)
    DESCRIPTION The forward recognition camera receives vehicle stability signals from the yaw rate and acceleration sensor (airbag sensor assembly). If the yaw rate and acceleration sensor (airbag sensor assembly) detects an abnormal yaw rate sensor signal or yaw rate sensor assembly power suppl ...