Hyundai Sonata 1991 Shop Manual page 283

MPI SYSTEM
Standard value 4-6 kO
1. Connect an ohmmeter between terminals 4 and 1 of the
motor position sensor connector.
Terminal 1 ; Sensor power
Terminal 4 ; Sensor ground
2. Measure the resistance of the terminals.
Motor Position Sensor IMPS)
Z31EHOA
ISC servo assembly
Forward (+)
Reverse (-)
Idle switch output
Supply (5VI
MPS
output
Sensor ground
Sensor power
~~--+-+I
::.
r>---J----tl
ISC Motor
2
L==H1
3. Attach an ohmmeter between terminals 2 and 4 of the motor
position sensor connector.
Terminal 2 MPS output
Terminal 4 ; Sensor ground
MPS connector
(sensor side front view)
MPS connector
(Front view at sensor side)
31Y275
31-58