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 | .gif) |
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:
Door Control Transmitter(w/ Smart Key System)
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE TRANSMITTER BATTERY
Inspection
INSPECTION
PROCEDURE
1. INSPECT ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY
(a) Inspect the operation of the electrical key transmitter sub-assembly.
(1) Remove the transmitter ba ...
Parts Location
PARTS LOCATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
Removal
REMOVAL
PROCEDURE
1. REMOVE FRONT DOOR SCUFF PLATE LH (for Double Cab)
Click here
2. REMOVE FRONT DOOR SCUFF PLATE LH (for Access Cab)
Click here
3. REMOVE COWL SIDE TRIM BOARD LH
Click here
4. REMOVE INSTRUMENT CLUSTER CENTER FINISH PANEL SUB-ASSEMBLY
Click here
5. REMOVE INSTRUME ...