Lancer LS L4-2.0L SOHC (2002)
Ignition Control Module: Testing and Inspection
Ignition Coil (With Built-In Ignition Power Transistor) Check
IGNITION COIL AND IGNITION POWER TRANSISTOR
Required Special Tool:
MB991348: Test Harness Set
Measurement Method
1. Disconnect the ignition coil connector, and connect test harness special tool, MB991348, in between. (All terminals should be connected.)
2. Connect the oscilloscope probe to ignition coil connector terminal 3.
Alternate method (Test harness not available)
<M/T>
1. Connect the oscilloscope probe to the ECM terminal 10 (for number 1 number 4), terminal 23 (for number 2 - number 3).
<A/T>
1. Connect the oscilloscope probe to the PCM terminal 11 (for number 1 - number 4), terminal 12 (for number 2 - number 3).
Standard Wave Pattern
Wave Pattern Observation Points