Montero Sport LTD 4WD V6-3.5L SOHC (1999)
Ignition Coil: Testing and Inspection
IGNITION COIL AND IGNITION POWER TRANSISTOR
Required Special Tool:
MB991348: Test Harness Set
Measurement Method
1. Disconnect the ignition power transistor connector, and connect test harness special tool, MB991348, in between. (All terminals should be
connected.)
2. Connect the analyzer special patterns pickup to each ignition power transistor connector terminal to analyze each cylinder:
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Terminal number 1 for the number 3 and 6 cylinders
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Terminal number 2 for the number 2 and 5 cylinders
-
Terminal number 3 for the number 1 and 4 cylinders
Alternate method (Test harness not available)
1. Connect the analyzer special patterns pickup to ECM/PCM terminal 11. (When checking the number 1 and 4 cylinders.)
2. Connect the analyzer special patterns pickup to ECM/PCM terminal 12. (When checking the number 3 and 6 cylinders.)
3. Connect the analyzer special patterns pickup to ECM/PCM terminal 13. (When checking the number 2 and 5 cylinders.)
Standard Wave Pattern Observation conditions
Standard wave pattern