Connector Circuit Reference
WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
DATC MODULE C228a CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 2 | CKT 31-FA10 (BK) DATC module to blend door actuator | Less than 5 ohms to chassis ground. |
| 3 | CKT 20-FA10 (PK/OG) DATC module to ATC solenoid and manifold | Greater than 10 volts to chassis ground with the ignition ON. |
| 6 | CKT 8-FA51 WH/BK) DATC module to temperature blend door actuator (RH) | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 7 | CKT 8-FA53 (WH/BU) DATC module to temperature blend door actuator (LH) | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 8 | CKT 9-FA49 (BN/WH) DATC module to temperature blend door actuator (LH) | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 9 | CKT 8-FA48 (WH/GN) DATC module to ATC solenoid and manifold | Resistance of 24,000-37,000 ohms to chassis ground. |
| 10 | CKT 8-FA44 (WH/RD) DATC module to ATC solenoid and manifold | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 11 | CKT 9-FA1 (BN) DATC module to ATC solenoid and manifold | Resistance of 3,000-5,000 ohms to chassis ground. |
| 14 | CKT 29-FA10 (OG/GN) DATC module to ATC solenoid and manifold | Greater than 10 volts at all times. |
| 15 | CKT 8-FA45 (WH/BU) DATC module to ATC solenoid and manifold | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 16 | CKT 9-FA44 (BN/RD) DATC module to ATC solenoid and manifold | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 17 | CKT 8-FA49 (WH/VT) DATC module to ATC solenoid and manifold | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 18 | CKT 8-FA47 (WH/GN) DATC module to ATC solenoid and manifold | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 19 | CKT 9-FA3 (BN/BU) DATC module to ATC solenoid and manifold | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 20 | CKT 10-FA53 (GY/VT) DATC module to ATC solenoid and manifold | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 22 | CKT 7-FA1 (YE) DATC module to ATC solenoid and manifold | Resistance of 800-1,000 ohms to chassis ground. |
DATC MODULE C228b CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 8-FB5 (WH/BK) ground | Approximately 0-5 volts with the DATC ON. |
| 2 | CKT 8-FB2 (WH/RD) ground | Approximately 0-5 volts with the DATC ON. |
| 3 | CKT 8-FB7 (WH) voltage supplied ignition on | Approximately 0-5 volts with the DATC ON. |
| 5 | CKT 91S-FB3 (BN/BU) DATC module to front blower motor speed control module | Greater than 10 volts at all times. |
| 6 | CKT 91S-FB4 (BN/GN) sensor signal return (ground) | Greater than 10 volts at all times. |
| 9 | CKT 33-FB8 (YE/RD) DATC module to temperature blend door actuator (LH) | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 10 | CKT 32-FB8 (WH/RD) DATC module to temperature blend door actuator (RH) | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 11 | CKT 32-FB2 (WH/RD) DATC module to temperature blend door actuator (RH) | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 12 | CKT 33-FB2 (YE/RD) DATC module to temperature blend door actuator (RH) | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 13 | CKT 32-FB5 (WH/BK) voltage supplied at all times | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 14 | CKT 9-FA48 (BN/GN) DATC module to temperature blend door actuator (RH) | Approximately 0-5 volts with the DATC ON. |
| 15 | CKT 8-FB8 (WH/RD) front blower motor speed control input | Approximately 0-5 volts with the DATC ON. |
| 16 | CKT 8-FB6 (WH/VT) solar radiation sensor input (RH) | Approximately 0-5 volts with the DATC ON. |
| 17 | CKT 9-FA2 (BN/RD) ambient air temperature sensor input | Approximately 0-5 volts with the DATC ON. |
| 18 | CKT 91S-FA76 (BN/BU) solar radiation sensor input (LH) | Greater than 10 volts at all times. |
| 19 | CKT 31S-FA23 (BK/BU) DATC module to temperature blend door actuator (RH) | Greater than 10 volts at all times. |
| 22 | CKT 32-FB6 (WH/VT) DATC module to blend door actuator | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 23 | CKT 33-FB6 (YE/VT) DATC module to blend door actuator | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 24 | CKT 32-FB7 (WH) DATC module to blend door actuator | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 25 | CKT 33-FB7 (YE) DATC module to blend door actuator | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 26 | CKT 33-FB5 (YE/BK) DATC module to blend door actuator | Greater than 10,000 ohms to chassis ground and 0 volts. |
IN-VEHICLE TEMPERATURE SENSOR C233 CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 8-FA48 (WH/GN) in-vehicle air temperature sensor input | Approximately 5 volts with the DATC ON. |
| 2 | CKT 9-FA48 (BN/GN) sensor signal return (ground) | Less than 5 ohms to chassis ground. |
DISCHARGE TEMPERATURE SENSOR (LH) C235 CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 8-FA47 (WH/GN) LH discharge temperature sensor input | Approximately 5 volts with the DATC ON. |
| 2 | CKT 9-FA47 (BN/GN) sensor signal return (ground) | Less than 5 ohms to chassis ground. |
DISCHARGE TEMPERATURE SENSOR (RH) C255 CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 8-FA51 (WH/BK) RH discharge temperature sensor input | Approximately 5 volts with the DATC ON. |
| 2 | CKT 9-FA51 (BN/YE) sensor signal return (ground) | Less than 5 ohms to chassis ground. |
EVAPORATOR DISCHARGE AIR TEMPERATURE SENSOR C296 CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 9-FA44 (BN/RD) sensor signal return (ground) | Less than 5 ohms to chassis ground. |
| 2 | CKT 8-FA44 (WH/RD) evaporator discharge air temperature sensor input | Approximately 5 volts with the DATC ON. |
AMBIENT AIR TEMPERATURE SENSOR C132 CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 8-FA49 (WH/VT) ambient air temperature sensor input | Approximately 5 volts with the DATC ON. |
| 2 | CKT 9-FA49 (BN/WH) sensor signal return (ground) | Less than 5 ohms to chassis ground. |
BLOWER MOTOR SPEED CONTROL MODULE C297 CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 31S-FA18 (BK/RD) blower motor speed control module to blower motor | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 2 | CKT 31-FA45 (BK) blower motor speed control module ground | Less than 5 ohms to chassis ground. |
| 3 | CKT 8-FA45 (WH/BU) DATC module to blower motor speed control module input | Less than 1 volt in the lowest blower setting to greater than 4.5 volts in the highest blower setting. |
| 4 | CKT 30S-FA18 (RD/BK) voltage supply to blower motor speed control module | Greater than 10 volts with the DATC ON. |
COOL AIR BYPASS DOOR ACTUATOR C295 CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 32-FB2 (WH/RD) cool air bypass door actuator close circuit | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 3 | CKT 8-FB2 (WH/RD) cool air bypass door actuator feedback circuit | Less than 5 ohms chassis ground. |
| 4 | CKT 9-FB2 (BN/RD) cool air bypass door actuator ground | Less than 5 ohms chassis ground. |
| 5 | CKT 7-FB2 (YE/RD) cool air bypass door actuator reference voltage | Greater than 4.5 volts to chassis ground with the DATC ON. |
| 6 | CKT 33-FB2 (YE/RD) cool air bypass door actuator open circuit | Greater than 10,000 ohms to chassis ground and 0 volts. |
AIR INLET DOOR ACTUATOR C289 CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 33-FB8 (YE/RD) door actuator close circuit | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 3 | CKT 8-FB8 (WH/RD) door actuator feedback circuit | Less than 5 ohms chassis ground. |
| 4 | CKT 7-FB8 (YE/RD) door actuator reference voltage | Greater than 4.5 volts to chassis ground with the DATC ON. |
| 5 | CKT 9-FB8 (BN/RD) door actuator ground | Less than 5 ohms chassis ground. |
| 6 | CKT 32-FB8 (WH/RD) door actuator open circuit | Greater than 10,000 ohms to chassis ground and 0 volts. |
FLOOR MODE DOOR ACTUATOR C234 CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 32-FB6 (WH/VT) door actuator open circuit | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 3 | CKT 8-FB6 (WH/VT) door actuator feedback circuit | Less than 5 ohms chassis ground. |
| 4 | CKT 9-FB6 (BN/WH) door actuator ground | Less than 5 ohms chassis ground. |
| 5 | CKT 7-FB6 (YE/VT) door actuator reference voltage | Greater than 4.5 volts to chassis ground with the DATC ON. |
| 6 | CKT 33-FB6 (YE/VT) door actuator close circuit | Greater than 10,000 ohms to chassis ground and 0 volts. |
PANEL MODE DOOR ACTUATOR C236 CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 33-FB7 (YE) door actuator close circuit | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 3 | CKT 8-FB7 (WH) door actuator feedback circuit | Less than 5 ohms chassis ground. |
| 4 | CKT 7-FB7 (YE) door actuator reference voltage | Greater than 4.5 volts to chassis ground with the DATC ON. |
| 5 | CKT 9-FB7 (BN) door actuator ground | Less than 5 ohms chassis ground. |
| 6 | CKT 32-FB7 (WH) door actuator open circuit | Greater than 10,000 ohms to chassis ground and 0 volts. |
DEFROST MODE DOOR ACTUATOR C232 CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 33-FB5 (YE/BK) door actuator close circuit | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 3 | CKT 8-FB5 (WH/BK) door actuator feedback circuit | Less than 5 ohms chassis ground. |
| 4 | CKT 7-FB5 (YE/BK) door actuator reference voltage | Greater than 4.5 volts to chassis ground with the DATC ON. |
| 5 | CKT 9-FB5 (BN/YE) door actuator ground | Less than 5 ohms chassis ground. |
| 6 | CKT 32-FB5 (WH/BK) door actuator open circuit | Greater than 10,000 ohms to chassis ground and 0 volts. |
SOLAR RADIATION SENSOR C286 CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 10-FA53 (GY/VT) solar radiation sensor input | Greater than 4.5 volts to chassis ground with the DATC ON. |
| 2 | CKT 9-FA53 (BN/BU) ground | Less than 5 ohms chassis ground. |
| 3 | CKT 8-FA53 (WH/BU) solar radiation sensor input | Greater than 4.5 volts to chassis ground with the DATC ON. |
A/C COMPRESSOR CLUTCH FIELD COIL C100 CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 31-FA6(BK/YE) ground | Less than 5 ohms chassis ground. |
| 2 | CKT 15-FA6 (GN/YE) A/C compressor clutch relay switched output | Greater than 10 volts with the A/C commanded on. |
POWERTRAIN CONTROL MODULE (PCM) C175a CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 9 | CKT 91S-FA79 (BN/BU) A/C compressor clutch relay control | Greater than 10 volts with the ignition on. |
BLOWER MOTOR C288 CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 30S-FA18 (RD/BK) blower motor relay switched output | Greater than 10 volts with the DATC ON. |
| 2 | CKT 31S-FA18 (BK/RD) blower motor relay to blower motor control module | Resistance of less than 5 ohms to chassis ground with blower in the highest setting. |
AUXILIARY COOLANT PUMP MOTOR C163 CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 30S-FB1 (RD/YE) auxiliary coolant pump motor switched voltage from the auxiliary coolant pump relay. | Greater than 10 volts with the auxiliary coolant pump relay ON. |
| 2 | CKT 31-FB1 (BK/YE) auxiliary coolant pump ground | Less than 5 ohms to chassis ground. |
COOLANT CONTROL VALVE SOLENOID C1034 CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 91S-FB4 (BN/GN) auxiliary temperature blend door actuator feed | Less than 5 ohms with the DATC in full COOL mode. |
| 2 | CKT 30-FB3 (RD/OG) front auxiliary controls to rear auxiliary controls | Greater than 10 volts at all times. |
| 3 | CKT 91S-FB3 (BN/BU) front auxiliary controls to rear auxiliary controls | Less than 5 ohms with the DATC in full COOL mode. |
BLOWER MOTOR RELAY CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 30 | CKT 30-FA24 (RD/OG) blower motor relay switch voltage | Greater than 10 volts at all times. |
| 85 | CKT 31S-FA23 (BK/BU) blower motor relay control from DATC module | Less than 100 ohms to chassis ground with the blower in the lowest setting. |
| 86 | CKT 30-FA24 (RD/OG) blower motor relay coil voltage | Greater than 10 volts at all times. |
| 87 | CKT 30S-FA18 (RD/BK) blower motor relay switched output | Less than 5 ohms to chassis ground with the blower in the highest setting. |
A/C COMPRESSOR CLUTCH RELAY CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 15S-FA79 (GN/RD) A/C clutch relay coil voltage | Greater than 10 volts with the ignition on. |
| 2 | CKT 91S-FA79 (BN/BU) A/C compressor clutch relay control | Resistance of less than 5 ohms to chassis ground when the A/C is commanded on. |
| 3 | CKT 30-FA79 (RD/OG) A/C clutch relay switch voltage | Greater than 10 volts at all times. |
| 5 | CKT 15S-FA6 (GN/YE) A/C compressor clutch relay switched output | Less than 100 ohms to chassis ground. |
AUXILIARY COOLANT PUMP RELAY CONNECTOR PINS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | CKT 30-FA74 (RD/GN) auxiliary coolant pump relay coil voltage | Greater than 10 volts at all times. |
| 2 | CKT 91S-FA76 (BN/BU) auxiliary coolant pump relay control | Resistance of less than 5 ohms to chassis ground when the auxiliary coolant pump relay is commanded on. |
| 3 | CKT 30-FA74 (RD/GN) auxiliary coolant pump relay switch voltage | Greater than 10 volts at all times. |
| 5 | CKT 30S-FB1 (RD/YE) auxiliary coolant pump relay switched output | Less than 100 ohms to chassis ground. |