DESCRIPTION
If a malfunction in the SFI system is detected, the operation of VSC and TRAC is prohibited by the fail-safe function. When the signals from the engine are received normally, fail-safe control is canceled.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
C1201 |
Engine Control System Malfunction |
Engine control system malfunction signal continues for 2.5 seconds. |
SFI system |
PROCEDURE
1. |
CHECK SFI SYSTEM |
(a) Check if SFI system DTCs are output.
w/o Canister Pump Module: Click here
w/ Canister Pump Module: Click here
Result |
Proceed to |
---|---|
DTCs are not output. |
A |
DTCs are output.(w/o Canister Pump Module) |
B |
DTCs are output.(w/ Canister Pump Module) |
C |
HINT:
If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts.
Click here
A | ![]() |
REPLACE ECM |
B | ![]() |
INSPECT SFI SYSTEM |
C | ![]() |
INSPECT SFI SYSTEM
|
Toyota CH-R Service Manual > Horn System: Precaution
PRECAUTION
IGNITION SWITCH EXPRESSION
HINT:
The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine S ...
Toyota CH-R Service Manual > Vehicle Stability Control System: Control Module Communication Bus OFF (U0073,U0100,U0123,U0126,U0142)
DESCRIPTION
The skid control ECU (brake actuator assembly) receives signals from the ECM,
steering angle sensor, yaw rate and acceleration sensor (airbag sensor assembly)
and main body ECU (multiplex network body ECU) via CAN communication.
DTC No.
Detection Item
...