With Diagnostic Socket (X11)

Impulse Counter Scan Tool Connecting Diagram:

012 On-off ratio tester
013 Impulse counter scan tool
075 Impulse counter scan tool adapter
X11 Diagnostic socket (9-pole)
X11/4 Data link connector (DTC readout, 38-pole)

Yellow wire from impulse counter scan tool to LH-SFI control module:
- Socket 4

Yellow wire from impulse counter scan tool to DI control module:
- Socket 17

Yellow wire from impulse counter scan tool to Base module:
- Socket 8

Impulse counter scan tool voltage supply:
- Socket 1, circuit 31 ground (brown wire)
- Socket 3, circuit 30 plus (red wire)