DESCRIPTION
If a malfunction in the engine control system is detected, the operations of VSC and TRAC are prohibited by the fail-safe function. When the signals from the engine are input normally, the fail-safe is cancelled and the DTC is not stored.
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
C1201/51 |
Engine control system malfunction signal continues for 5 seconds. |
Engine control system |
PROCEDURE
1. |
CHECK ENGINE CONTROL SYSTEM |
(a) Check if the engine control system DTC is output (See page
for 2GR-FE, or
for 1AR-FE).
Result |
Proceed to |
---|---|
DTC is not output (for 2GR-FE) |
A |
DTC is not output (for 1AR-FE) |
B |
DTC is output (for 2GR-FE) |
C |
DTC is output (for 1AR-FE) |
D |
A | ![]() |
REPLACE ECM (for 2GR-FE) |
B | ![]() |
REPLACE ECM (for 1AR-FE) |
C | ![]() |
INSPECT ENGINE CONTROL SYSTEM (for 2GR-FE) |
D | ![]() |
INSPECT ENGINE CONTROL SYSTEM (for 1AR-FE) |
Unlock Position Sensor Signal Circuit
DESCRIPTION
The unlock position sensor is one of the components comprising the steering lock
ECU (steering lock actuator assembly). The sensor switch contact closes when the
steering lock is released. The steering lock release signal is then sent to the
...
Customize Parameters
CUSTOMIZE PARAMETERS
HINT:
The following items can be customized.
NOTICE:
After confirming whether the items requested by the customer are applicable
or not for customization, perform customizing operations.
Be sure to record the current se ...
Front Passenger Side Door Entry Unlock Function does not Operate
DESCRIPTION
If the front passenger door entry lock function operates normally, but its entry
unlock function does not, this means that the request code from the front passenger
door is being output normally. In this case, a malfunction in the touch sensor ...