CIRCUIT OPERATION
- Controls the current that is applied from ECM terminals ETV+, ETV- to the throttle actuator control motor
TECHNICAL DESCRIPTION
- ECM check whether the throttle actuator control motor magneto has failed.
DESCRIPTIONS OF MONITOR METHODS
Throttle actuator control motor intelligent power device detects shorted-high/low and overheat of itself.
MONITOR EXECUTION CONDITIONS (Other monitor and Sensor)
Other Monitor (There is no temporary DTC set in memory for the item monitored below)
Sensor (The sensor below is determined to be normal)
DTC SET CONDITIONS
Check Condition
- 12V starter battery positive voltage is higher than 8.3 volts.
Judgment Criterion
- The coil current of the throttle actuator control motor is higher than 8 ampere for 0.3 second.
FAIL-SAFE AND BACKUP FUNCTION
- Throttle opening degree position is in default position.
OBD-II DRIVE CYCLE PATTERN
- Refer to Diagnosis Function - OBD-II Drive Cycle - Pattern 1 .
TROUBLESHOOTING HINTS (The most likely causes for this code to be set are:)
- Throttle actuator control motor failed.
- Shorted throttle actuator control motor circuit or connector damage.
- ECM failed.