Component Location
General Description
When the TP sensor’s signal indicates closed throttle position and the engine is idling, the PCM adjusts the idle speed control actuator so that the engine runs at the correct idling speed, regardless of coolant temperature, load and etc. When the additional load applied in the engine, the air flow through the idle speed control actuator is increased momentarily to raise the idling speed.
DTC Description
The PCM monitors engine speed deviation from the target idle engine speed when the vehicle is stopped and the throttle valve opening is stable. The PCM sets DTC P0507 if the difference to the target idle engine speed is higher than the predetermined threshold.
DTC Detecting Condition
Item | Detecting Condition | Possible Cause |
DTC Strategy | Monitoring deviation between target idle speed and actual engine speed
| A stuck or binding throttle body
Air leakage
Poor connection or damaged harness
Faulty ETC
|
Enable Conditions | Coolant temp. >73?(163?)
Engine idle status(closed throttle valve & vehicle speed=0)
Idle speed controller active(idle status)
11< Battery voltage <16
After engine start >20 sec.
No relevant failure
|
Threshold Value | Engine Speed - Nominal Idle Speed > 200rpm
|
Diagnostic Time | 21 sec.
|
Mil On Condition | -
|