DTC P1518: Starter Switch Circuit Low Input

OUTLINE OF DIAGNOSIS
- Detect the open/short circuit of starter switch.
- Judge OFF NG when the starter signal remains to be ON regard less of both vehicle speed and engine speed become high.

ENABLE CONDITION

Secondary Parameters	Enable Conditions
Engine	Run

GENERAL DRIVING CYCLE
Perform the diagnosis continuously after starting engine.

DIAGNOSTIC METHOD

Judge NG when the continuous time of completing all the conditions below becomes more than 10 seconds. Judge OK and clear NG when the start switch is turned ON to OFF.

Judgment value

JUDGMENT VALUE

Malfunction Criteria	Threshold Value
Engine speed	"GREATER THAN EQUAL TO" 1500
Vehicle speed	"GREATER THAN EQUAL TO" 30 km/h (19 MPH)
Starter "ON" signal	Not detected

Time Needed for Diagnosis

DIAGNOSIS TIMING

OFF side

10 seconds

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

DTC CLEAR CONDITION
- When the OK idling cycle is completed 40 times in a row
- When "Clear Memory" was performed
MALFUNCTION INDICATOR LIGHT CLEAR CONDITION
- When the OK driving cycle was completed 3 times in a row
- When "Clear Memory" was performed
FAIL SAFE
None
ECM OPERATION AT DTC
Memorize the freeze frame data. (For test mode $02)