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Legend Pin Voltage Charts

Fig 1: Connector "A" Terminal Pin Identification (Legend)
GB0049068
CONNECTOR "A" TERMINAL PIN VOLTAGE CHART (LEGEND) (1)

Pin No. Wire Color Function/Description Voltage Value (DC Volts Unless Otherwise Specified)
A1 Brown Injector No. 1 Battery Voltage W/KOEO
A2 White/Blue Injector No. 4 Battery Voltage W/KOEO
A3 Red Injector No. 2 Battery Voltage W/KOEO
A4 Orange Injector No. 5 Battery Voltage W/KOEO
A6 Yellow Injector No. 6 Battery Voltage W/KOEO
A7 Green/Black Fuel Pump Control Circuit N/A
A8 Green Cooling Fan Control Unit N/A
A9 Blue/Red Electronic Air Control Valve Battery Voltage W/KOEO
A10 Green/Blue Left O2 Sensor Heater Circuit N/A
A11 White EGR Control Solenoid Valve N/A
A12 Green/Red Right O2 Sensor Heater Circuit N/A
A13 Blue CHECK ENGINE Light Circuit N/A
A14 Red/Blue By-Pass Low Control Solenoid Valve Battery Voltage At Idle With KOER (2)
A15 Red/Blue A/C Clutch Relay N/A
A17 Gray Air Suction Control Solenoid Valve N/A
A18 Yellow By-Pass High Control Solenoid Valve Battery Voltage At Idle With KOER (2)
A19 Lt. Green Pressure Regulator Control Solenoid Valve N/A
A20 Lt. Green Purge Cut-Off Solenoid Valve N/A
A21 Pink No. 1 Coil Ignitor Circuit N/A
(1) Terminal pins not listed are not used. KOEO=Key On Engine Off.
(2) KOER= Key On Engine Running.
Fig 2: Connector "B" Terminal Pin Identification (Legend)
GB0049069
CONNECTOR "B" TERMINAL PIN VOLTAGE CHART (LEGEND) (1)

Pin No. Wire Color Function/Description Voltage Value (DC Volts Unless Otherwise Specified)
B2 Brown/Black Ground Less Than One Volt
B3 Red No. 6 Coil Ignitor Circuit N/A
B4 Gray No. 5 Coil Ignitor Circuit N/A
B5 Green Power Steering Pressure Switch Signal Less Than Battery Voltage W/Front Wheels Straight Ahead; Battery Voltage While Slowly Turning Steering Wheel Engine Running
B6 Green No. 4 Coil Ignitor Circuit N/A
B7 Lt. Green (2) Park/Neutral Switch N/A
B8 Blue No. 3 Coil Ignitor Circuit N/A
B9 Blue/Green CYL No. 2 Sensor Ckt. N/A
B10 Blue/Yellow CYL No. 2 Sensor Ckt. N/A
B11 Orange/Blue CYL No. 1 Sensor Ckt. N/A
B12 White/Blue CYL No. 1 Sensor Ckt. N/A
B13 Orange CRANK No. 2 Sensor Ckt. N/A
B14 White CRANK No. 2 Sensor Ckt. N/A
B15 Orange/Blue CRANK No. 1 Sensor Ckt. N/A
B16 White/Blue CRANK No. 1 Sensor Ckt. N/A
(1) Terminal pins not listed are not used. KOEO=Key On Engine Off.
(2) White wire on manual transmission vehicles. This is Neutral position switch.
Fig 3: Connector "C" Terminal Pin Identification (Legend)
GB0049070
CONNECTOR "C" TERMINAL PIN VOLTAGE CHART (LEGEND) (1)

Pin No. Wire Color Function/Description Voltage Value (DC Volts Unless Otherwise Specified)
C1 Yellow/Black Ignition Power From Main Relay Battery Voltage W/KOEO
C2 Yellow/Red Vehicle Speed Sensor Zero And 5 Volts As Left Front Wheel Rotates
C3 Blue/Black Cooling Fan Control Unit N/A
C4 Blue Tachometer Signal N/A
C5 Red/Blue A/C Switch Circuit N/A
C7 Pink M/T Neutral Switch N/A
C9 White Self-Diagnostics Test Circuit N/A
C11 Black/White Start Signal Battery Voltage in START Position
(1) Terminal pins not listed are not used. KOEO=Key On Engine Off.
Fig 4: Connector "D" Terminal Pin Identification (Legend)
GB0049071
CONNECTOR "D" TERMINAL PIN VOLTAGE CHART (LEGEND) (1)

Pin No. Wire Color Function/Description Voltage Value (DC Volts Unless Otherwise Specified)
D1 Yellow/Blue Vehicle Power From Fuse No. 15 Battery Voltage At All Times
D2 Green/White Brake Switch Signal Input Battery Voltage With Brake Applied W/KOEO
D3 White Right Knock Sensor Circuit N/A
D4 Red/Blue Left Knock Sensor Ckt. N/A
D8 Blue/Yellow Ignition Timing Adjustment Connector N/A
D9 White/Red Alternator Charging Signal N/A
D11 Red/Blue Throttle Angle Sensor Signal About .3 Volt With KOEO At Closed Throttle; About 4.5 Volts At WOT
D12 Black/White EGR Valve Lift Sensor Signal About 1.2 Volts At Warm Idle
D13 Red/White Coolant Temperature Sensor Signal 0.5-4.5 Volts (Varies With Temperature)
D14 White Left O2 Sensor Signal 0.4-0.5 Volt When Ignition Is First Turned On, Decreasing To Less Than 0.1 Volt In Less Than 2 Minutes
D15 Red/Yellow Intake Air Temperature Sensor Signal 0.5-4.5 Volts (Varies With Temperature)
D16 Red/Blue Right O2 Sensor Signal 0.4-0.5 Volt When Ignition Is First Turned On, Decreasing To Less Than 0.1 Volt In Less Than 2 Minutes
D17 Red MAP Sensor Signal 0.3-4.5 Volts (Varies With Manifold Pressure)
D19 Yellow/White MAP Sensor Power About 5 Volts W/KOEO
D20 Yellow/White Sensor Power (Except MAP Sensor) About 5 Volts W/KOEO
D21 Green/White MAP Sensor Ground Approximately Zero
D22 Green/White Sensor Ground (Except MAP Sensor) Approximately Zero
(1) Terminal pins not listed are not used. KOEO=Key On Engine Off.
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