Without Diagnostic Socket (X11)

Test Equipment:

Impulse Counter Scan Tool

012 On-off ratio tester
013 Impulse counter scan tool
075 Impulse counter scan tool adapter
X11/4 Data link connector (DTC readout, 38-pole)
055/1 On-off ratio signal adapter (900 589 01 15 000)
077/1 TN signal, on-off ratio signal connector (see connector A,B in diagram)

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)

On-off Ratio Tester

Black wire from 055/1 to X11/4:
- Socket 14