Hand Held Tester (HHT)

38-pole Data Link Connector (X11/4)

Connect impulse counter scan tool as follows:
Red wire (circuit 30, voltage): Socket 3
Black wire (circuit 31, ground): Socket 1
Yellow wire (diagnostic data): Diagnostic output socket of the system being tested.

Connection Layout:

013 Impulse counter scan tool
075 Adaptor for impulse counter scan tool
087 Hand-Hold Tester (HHT)
094 Multiplexer, 965 589 00 40
X11/4 Data link connector