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:

Installation
INSTALLATION PROCEDURE 1. INSTALL REAR DIFFERENTIAL DRIVE PINION BEARING SPACER (a) Install a new front differential drive pinion bearing spacer. HINT: Make sure the front differential drive pinion bearing spacer is installed correctly. 2. INSTALL DIFFERENTIAL OIL STORAGE RING (a) Using a bra ...

Clutch Release Cylinder(for R156f)
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. DRAIN CLUTCH FLUID 2. REMOVE FRONT PROPELLER SHAFT ASSEMBLY (See page ) 3. DISCONNECT CLUTCH RELEASE CYLINDER TO FLEXIBLE HOSE TUBE (a) Using a union nut wrench, disconnect the clutch release cylinder to ...

Disposal
DISPOSAL CAUTION / NOTICE / HINT CAUTION: Before performing pre-disposal deployment of any SRS part, review and closely follow all applicable environmental and hazardous material regulations. Pre-disposal deployment may be considered hazardous material treatment. PROCEDURE 1. PRECAUTION ...

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