Component Inspection: Notes

Ignition "OFF".
Refer to REPAIR PROCEDURES and LIFT AND SUPPORT POINTS and remove necessary parts to get access to ATM Solenoid connector and lift vehicle with suitable lift.
Engine "ON".
Back probe and measure signal waveform between Pin No. 8 (Signal) terminal of ATM Solenoid harness connector and chassis ground.
Specification : High - Approx. 1.5V/Low - Approx. 0.7V

Fig 1: Input Speed & Output Speed Data And Signal Waveform At Engine "ON", Gear Lever Position At "P/N"
Courtesy of KIA MOTORS AMERICA, INC.

Fig 2: Input Speed & Output Speed Data And Signal Waveform At Engine "ON", Gear Lever Position At "R" And No Brake Pedal Applied
Courtesy of KIA MOTORS AMERICA, INC.

Fig 3: Input Speed & Output Speed Data And Signal Waveform At Engine "ON", Gear Lever Position At "D" And Vehicle Speed At Approx. 30 KM/H (18.6 MPH)
Courtesy of KIA MOTORS AMERICA, INC.
Is the measured value within specification?
YES
- Go to "PCM/TCM INSPECTION " procedure.
NO
- Carefully re-do this troubleshooting guide steps.
- If problem still occurs, replace Input Speed Sensor and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.