Endeavor V6-3.8L SOHC (2004)
2. Connect the oscilloscope probe to each check harness connector terminal to analyze each cylinder:
-
Terminal No. 153 for the number 1 cylinder.
-
Terminal No. 146 for the number 2 cylinder.
-
Terminal No. 140 for the number 3 cylinder.
-
Terminal No. 139 for the number 4 cylinder.
-
Terminal No. 133 for the number 5 cylinder.
-
Terminal No. 127 for the number 6 cylinder.
Wave Pattern Observation Points
Point A: Height of injector coil induced voltage.
1. The injector drive time should be synchronized with the scan tool tester display.
2. When the engine is suddenly revved, the drive time will be greatly extended at first, but the drive time will soon return to original length.
Point B: Injector drive time
1. The injector drive time should be synchronized with the scan tool tester display.
2. When the engine is suddenly revved, the drive time will be greatly extended at first, but the drive time will soon return to original length.