Montero Sport V6-3.5L SOHC (2004)
Ignition Control Module: Testing and Inspection
IGNITION COIL AND IGNITION POWER TRANSISTOR
Required Special Tool:
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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 No. 1 for the number 3 and 6 cylinders
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Terminal No. 2 for the number 2 and 5 cylinders
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Terminal No. 3 for the number 1 and 4 cylinders
Alternate method (Test harness not available)
1. Connect the oscilloscope probe to PCM terminal No. 11. (When checking the number 1 and 4 cylinders.)
2. Connect the oscilloscope probe to PCM terminal No. 12. (When checking the number 3 and 6 cylinders.)
Standard Wave Pattern