Montero Sport LTD 2WD V6-3.5L 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 analyzer special patterns pickup to the idle air control motor connector terminals 1, 3, 4 and 6, respectively.
Alternate method (Test harness not available)
1. Connect the analyzer special patterns pickup to PCM terminals 14, 15, 28 and 29.
Standard Wave Pattern
Observation conditions
Standard Wave Pattern
Standard Wave Pattern
