Eclipse GT V6-3.0L SOHC (2000)
Idle Air Control Motor: Testing and Inspection
Oscilloscope Check
IDLE AIR CONTROL MOTOR (STEPPER MOTOR)
Required Special Tool:
MB991709: Test Harness
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.
Alternate method Crest harness not available)
1. Connect the oscilloscope probe to ECM or PCM terminals 14, 15, 28 and 29.
Standard Wave Pattern Observation conditions
Standard Wave Pattern
Standard Wave Pattern
Wave Pattern Observation Points
