Terminal Assignment of Wiring Harness Plug
A 1 Unoccupied
A 2 Reference lead for crankshaft pulse pick-up P 35 Ter. "1"
A 3 Unoccupied
A 4 Unoccupied
A 5 Unoccupied
A 6 Unoccupied
A 7 Signal lead for intake manifold absolute pressure sensor P 23
A 8 Signal lead for throttle valve potentiometer P 34
A 9 Unoccupied
A 10 Switched ground for air conditioning relay
A 11 Ground lead for intake manifold absolute pressure sensor P 23, coolant temperature
sensor P 30 and intake air temperature sensor P 29
A 12 Final stage ground for control unit K 91
B 1 Permanent voltage supply for fault memory
B 2 Signal lead for odometer frequency sensor
B 3 Reference lead from crankshaft pulse pick-up P 35 Ter. "2"
B 5 Unoccupied
B 6 Switched ground for fuel pump relay
B 7 Bidirectional data lead to diagnostic plug X 13 Ter. "G"
B 8 Supply voltage for throttle valve potentiometer P 34
and for intake manifold absolute pressure sensor P 23
B 9 Unoccupied
B 10 Reference ground for oxygen sensor P 33
B 11 Signal lead for oxygen sensor P 33
B 12 Signal lead for coolant temperature sensor P 30
Terminal Assignment of Wiring Harness Plug (continued)
C 1 Switched ground lead for engine telltale H 30
C 2 Signal lead for crankshaft pulse pick-up P 35
C 3 Ignition signal B signal to ignition coil driver K 20 Ter. "4"
C 4 Voltage supply for control unit K 94 Ter. "15"
C 5 Lead to coil 2 of idle speed stepper motor M 66 Ter. "C"
C 6 Lead to coil 2 of idle speed stepper motor M 66 Ter. "D"
C 8 Lead to coil 1 of idle speed stepper motor M 66 Ter. "B"
C 9 Lead to coil 1 of idle speed stepper motor M 66 Ter. "A"
C 10 Ground pulse for injection valves
C 11 Ground pulse for injection valves
C 12 Unoccupied
C 13 Bridged to C 14
C 14 Unoccupied
C 15 Unoccupied
C 16 Voltage supply for control unit K 91
D 1 Final stage ground for injection nozzles
D 2 Ground lead for throttle valve potentiometer P 34 and
ground lead for octane number plug X 15
D 3 Signal lead for intake manifold temperature sensor P 29
D 4 Unoccupied
D 5 Signal lead for AC switch S 101
D 6 Signal lead for AC load switch S 109
D 7 Unoccupied
D 8 Diagnostic excitation lead to diagnostic plug X 13 Ter. "B"
D 9 Unoccupied
D 10 Ignition signal A signal to ignition coil driver K 20 Ter. "3"
D 11 Octane number plug X 15
D 12 Unoccupied
D 13 Unoccupied
D 14 Unoccupied
D 15 Unoccupied
D 16 Unoccupied