Montero Sport V6-3.5L SOHC (2004)
Idle Speed/Throttle Actuator - Electronic: Testing and Inspection
Oscilloscope Check
IDLE AIR CONTROL MOTOR (STEPPER MOTOR)
Required Special Tools:
-
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 No. 1, terminal No. 3, terminal No. 4 and terminal No. 6
respectively.
Alternate method (Test harness not available)
Standard Wave Pattern