Montero Sport XS 2WD V6-3.5L SOHC (2001)
Ignition Control Module: Oscilloscope Patterns and Waveforms
IGNITION COIL AND IGNITION POWER TRANSISTOR
Required Special Tool:
MB991348: Test Harness Set
Measurement Method
1. Disconnect the connector, and connect test harness special tool (MB991348) in between. (All terminals should be connected.)
2. Connect the oscilloscope probe to each ignition power transistor connector terminal to analyze each cylinder:
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Terminal 1 for the number 3 and 6 cylinders
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Terminal 2 for the number 2 and 5 cylinders
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Terminal 3 for the number 1 and 4 cylinders
Alternate method (Test harness not available)
1. Connect the oscilloscope probe to PCM terminal 11.(When checking the number 1 and 4 cylinders.)
2. Connect the oscilloscope probe to PCM terminal 12.(When checking the number 3 and 6 cylinders.)
3. Connect the oscilloscope probe to PCM terminal 13.(When checking the number 2 and 5 cylinders.)
Standard Wave Pattern Part 1