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Home >> Acura >> 1993 >> Integra GS-R >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Pin Voltage Charts >> INTEGRA 1.8L Pin Voltage Charts
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INTEGRA 1.8L Pin Voltage Charts

Fig 1: Connector "A" Terminal Pin Identification (1.8L Integra)
GB0049100
CONNECTOR "A" TERMINAL PIN VOLTAGE CHART (1.8L INTEGRA) (1)

Pin No. Wire Color Function/Description Voltage Value (DC Volts Unless Otherwise Specified)
A1 Brown Injector No. 1 Battery Voltage W/KOEO
A2 Yellow Injector No. 4 Battery Voltage W/KOEO
A3 Red Injector No. 2 Battery Voltage W/KOEO
A5 Lt. Blue Injector No. 3 Battery Voltage W/KOEO
A6 Orange/Black Oxygen Sensor Heater N/A
A7 Green/Black Fuel Pump Relay 12 Volts For 2 Sec. After KOEO
A8 Green/Black Fuel Pump Relay 12 Volts For 2 Sec. After KOEO
A9 Blue/Yellow Idle Air Control Valve (IACV) N/A
A10 Green/Yellow Pressure Regulator Control Solenoid Battery Voltage W/KOEO
A11 Red EGR Solenoid Control Valve Battery Voltage W/KOEO
A13 Green/Orange MIL CHECK ENGINE Light Battery Voltage W/KOEO
A15 Yellow A/C Clutch Relay Battery Voltage W/KOEO
A20 Green Purge Control Solenoid Valve Battery Voltage W/KOEO
A21 Yellow/Green Ignitor N/A
A22 Yellow/Green Ignitor N/A
A23 Black Power Ground Below One Volt W/KOEO
A24 Black Power Ground Below One Volt W/KOEO
A25 Yellow/Black Fuel Pump Relay Battery Voltage W/KOEO
A26 Brown/Black Shield Ground N/A
(1) Terminal pins not listed are not used. KOEO=Key On Engine Off.
Fig 2: Connector "B" Terminal Pin Identification (1.8L Integra)
GB0049101
CONNECTOR "B" TERMINAL PIN VOLTAGE CHART (1.8L INTEGRA) (1)

Pin No. Wire Color Function/Description Voltage Value (DC Volts Unless Otherwise Specified)
B1 Yellow/Black Fuel Pump Relay Battery Voltage W/KOEO
B2 Brown/Black Ground Below One Volt W/KOEO
B5 Blue/Red A/C Switch N/A
B7 Green Park/Neutral Signal (A/T) N/A
B8 Red Oil Pressure Switch N/A
B9 Blue/White Fuel Pump Relay 12 Volts With Switch In START Position
B10 Yellow/Red Vehicle Speed Sensor Zero and 5 Volts As Left Front Wheel Rotates
B11 Orange CYL Sensor "P" N/A
B12 White CYL Sensor "M" N/A
B13 Orange/Blue TDC Sensor "P" N/A
B14 White/Blue TDC Sensor "M" N/A
B15 Blue/Green CRANK Sensor "P" N/A
B16 Blue/Yellow CRANK Sensor "M" N/A
(1) Terminal pins not listed are not used. KOEO=Key On Engine Off.
Fig 3: Connector "D" Terminal Pin Identification (1.8L Integra)
GB0049102
CONNECTOR "D" TERMINAL PIN VOLTAGE CHART (1.8L INTEGRA) (1)

Pin No. Wire Color Function/Description Voltage Value (DC Volts Unless Otherwise Specified)
D1 White/Yellow Battery Power Battery Voltage At All Times
D2 Green/White Brake Signal Battery Voltage With Brake Applied
D4 Brown Service Check Connector N/A
D7 Lt. Blue Data Link Connector N/A
D8 Blue TCM (A/T) N/A
D9 Blue Alternator N/A
D11 Red/Blue Throttle Position Sensor 0.5 Volt Closed; 4.5 Volts Open
D12 Yellow EGR Valve Lift Sensor One Volt Closed; 4.5 Volts Open
D13 Red/White Coolant Temp. Sensor N/A
D14 White Oxygen (O2) Sensor 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 (TA) Sensor N/A
D16 Blue/White TCM (A/T) N/A
D17 White MAP Sensor 3-5 Volts Depending On Atmospheric Pressure
D19 Yellow/Red MAP Sensor Reference Approximately 5 Volts
D20 Yellow/White Throttle Position Sensor Voltage 5 Volts
D21 Green/White MAP Sensor Signal Ground Approximately Zero
D22 Green/White Signal Ground Approximately Zero
(1) Terminal pins not listed are not used. KOEO=Key On Engine Off.