Eclipse GS L4-2350cc 2.4L SOHC MFI (2002)
Idle Speed/Throttle Actuator - Electronic: Testing and Inspection
Oscilloscope Check
IDLE AIR CONTROL MOTOR (STEPPER MOTOR)
Required Special Tool:
-
MB991709: Test Harness Set
Measurement Method
1. Disconnect the idle air control motor connector, and connect the test harness special tool, MB991709 in between. (All terminals should be
connected.)
2. Connect the oscilloscope probe to the idle air control motor connector terminal 1, terminal 3, terminal 4 and terminal 6, respectively.
Standard Wave Pattern
Alternate method (Test harness not available)
<M/T>
Connect the oscilloscope probe to ECM terminals 4, 5, 17 and 18.