Caravan, Grand Voyager, Town and Country, Voyager, 2000-2004

Connector Pin Identification

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Fig.

PCM Pin #Wire ColorCircuit Description (40 Pin)Value at Hot Idle
1---Not Used---
2RD/YLCoil Driver 3 (Cyl 3 & 6)5°, 55 mph: 8° dwell
3DB/TNCoil Driver 2 (Cyl 2 & 5)5°, 55 mph: 8° dwell
4DGGenerator Field DriverDigital Signal: 0-12-0v
5YL/RDSpeed Control Power Supply12-14v
6DG/ORASD Relay Output (B+)12-14v
7YL/WTInjector 3 Driver Control1-4 ms
8TNSmart Start Relay ControlKOEC: 9-11v
9---Not Used---
10BK/TNPower Ground<0.1v
11GY/RDCoil Driver 1 (Cyl 1 & 4)5°, 55 mph: 8° dwell
12---Not Used---
13WT/DBInjector 1 Driver Control1-4 ms
14BR/DBInjector 6 Driver Control1-4 ms
15GYInjector 5 Driver Control1-4 ms
16LB/BRInjector 4 Driver Control1-4 ms
17TNInjector 2 Driver Control1-4 ms


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Fig.

PCM Pin #Wire ColorCircuit Description (40 Pin)Value at Hot Idle
1---Not Used---
2RD/YLCoil Driver 3 (Cyl 3 & 6)5°, 55 mph: 8° dwell
3DB/TNCoil Driver 2 (Cyl 2 & 5)5°, 55 mph: 8° dwell
4---Not Used---
5YL/RDSpeed Control Power Supply12-14v
6DG/ORASD Relay Output (B+)12-14v
7WT/DBInjector 3 Driver Control1-4 ms
8DGGenerator Field DriverDigital Signal: 0-12-0v
9---Not Used---
10BK/TNPower Ground<0.1v
11GY/RDCoil Driver 1 (Cyl 1 & 4)5°, 55 mph: 8° dwell
12---Not Used---
13YL/WTInjector 1 Driver Control1-4 ms
14BR/DBInjector 6 Driver Control1-4 ms
15GYInjector 5 Driver Control1-4 ms
16LB/BRInjector 4 Driver Control1-4 ms
17TNInjector 2 Driver Control1-4 ms
18-19---Not Used---
20WT/BKIgnition Switch Output (B+)12-14v
21---Not Used---
22BK/PKMalfunction Indicator LampMIL Off: 12v, On: 1v
23-24---Not Used---
25DB/LGKnock Sensor Signal0.080v AC
26TN/BKECT Sensor SignalAt 180°F: 2.80v
27BK/OROxygen Sensor Ground<0.050v
28-29---Not Used---
30BK/DGHO2S-11 (B1 S1) Signal0.1-1.1v
31TNSmart Start Relay ControlKOEC: 9-11v
32GY/BKCKP Sensor SignalDigital Signal: 0-5-0v
33TN/YLCMP Sensor SignalDigital Signal: 0-5-0v
34---Not Used---
35OR/DBTP Sensor Signal0.6-1.0v
36DG/RDMAP Sensor Signal1.5-1.7v
37---Not Used---
38DGA/C On/Off Switch SignalA/C Off: 12v, On: 1v
39---Not Used---
40GY/YLEGR Solenoid Control12v, 55 mph: 1v


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Fig.

PCM Pin #Wire ColorCircuit Description (40 Pin)Value at Hot Idle
41RD/LGSpeed Control Set Switch SignalS/C & Set Switch On: 3.8v
42DBA/C Pressure Switch SignalA/C On: 0.451-4.850v
43BK/LBSensor Ground<0.050v
44OR8-Volt Supply7.9-8.1v
45DGA/C Switch SenseA/C Off: 12v, On: 1v
46RD/WTFused Battery Power (B+)12-14v
47---Not Used---
48BR/WTIAC 3 Driver ControlPulse Signal: 0.8-11v
49YL/BKIAC 2 Driver ControlPulse Signal: 0.8-11v
50BK/TNPower Ground<0.1v
51TN/WTHO2S-12 (B1 S2) Signal0.1-1.1v
52-53---Not Used---
54DG/LBFlexible Fuel SensorDigital Signal
55-56---Not Used---
57GY/RDIAC 1 Driver ControlPulse Signal: 0.8-11v
58VT/BKIAC 4 Driver ControlPulse Signal: 0.8-11v
59VT/BRCCD Bus (+)Digital Signal: 0-5-0v
60WT/BKCCD Bus (-)<0.050v
61VT/WT5-Volt Supply4.9-5.1v
62WT/PKBrake Switch Sense SignalBrake Off: 0v, On: 12v
63YL/DGTorque Management RequestDigital Signals
64DB/ORA/C Clutch Relay ControlRelay Off: 12v, On: 1v
65PKSCI Transmit0v
66WT/ORVehicle Speed SignalDigital Signal
67DB/YLAuto Shutdown Relay ControlRelay Off: 12v, On: 1v
68PK/BKEVAP Purge Solenoid ControlPWM Signal: 0-12-0v
69---Not Used---
70DG/LGEVAP Purge Solenoid Sense0-1v
71---Not Used---
72DB/WTLDP Switch Sense SignalLDP Switch Closed: 0v
73LG/DBRadiator Fan Control RelayRelay Off: 12v, On: 1v
74BRFuel Pump Relay ControlRelay Off: 12v, On: 1v
75LGSCI Receive5v
76BK/WTPNP Switch Sense SignalIn P/N: 0v, Others: 5v
77WT/DGLDP Solenoid ControlPWM Signal: 0-12-0v
78TN/RDSpeed Control Vacuum Solenoid ControlVacuum Increasing: 1v
79---Not Used---
80LG/RDSpeed Control Vent Solenoid ControlVacuum Decreasing: 1v


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Fig.

PCM Pin #Wire ColorCircuit Description (40 Pin)Value at Hot Idle
1---Not Used---
2RD/YLCoil Driver 3 (Cyl 3 & 6)5°, 55 mph: 8° dwell
3DB/TNCoil Driver 2 (Cyl 2 & 5)5°, 55 mph: 8° dwell
4---Not Used---
5YL/RDSpeed Control Power Supply12-14v
6DG/ORASD Relay Output (B+)12-14v
7YL/WTInjector 3 Driver Control1-4 ms
8DGGenerator Field DriverDigital Signal: 0-12-0v
9---Not Used---
10BK/TNPower Ground<0.1v
11GY/RDCoil Driver 1 (Cyl 1 & 4)5°, 55 mph: 8° dwell
12---Not Used---
13WT/DBInjector 1 Driver Control1-4 ms
14BR/DBInjector 6 Driver Control1-4 ms
15GYInjector 5 Driver Control1-4 ms
16LB/BRInjector 4 Driver Control1-4 ms
17TN/WTInjector 2 Driver Control1-4 ms
18-19---Not Used---
20WT/BKIgnition Switch Output (B+)12-14v
21---Not Used---
22BK/PKMalfunction Indicator LampMIL Off: 12v, On: 1v
23-24---Not Used---
25DB/LGKnock Sensor Signal0.080v AC
26TN/BKECT Sensor SignalAt 180°F: 2.80v
27BK/OROxygen Sensor Ground<0.050v
28-29---Not Used---
30BK/DGHO2S-11 (B1 S1) Signal0.1-1.1v
31TNSmart Start Relay ControlKOEC: 9-11v
32GY/BKCKP Sensor SignalDigital Signal: 0-5-0v
33TN/YLCMP Sensor SignalDigital Signal: 0-5-0v
34---Not Used---
35OR/BKTP Sensor Signal0.6-1.0v
36DG/RDMAP Sensor Signal1.5-1.7v
37---Not Used---
38DG/LBA/C On/Off Switch SignalA/C Off: 12v, On: 1v
39---Not Used---
40GY/YLEGR Solenoid Control12v, 55 mph: 1v


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Fig.

PCM Pin #Wire ColorCircuit Description (40 Pin)Value at Hot Idle
41RD/LGSpeed Control Set Switch SignalS/C & Set Switch On: 3.8v
42DBA/C Pressure Switch SignalA/C On: 0.451-4.850v
43BK/LBSensor Ground<0.050v
44OR8-Volt Supply7.9-8.1v
45, 47---Not Used---
46RD/WTFused Battery Power (B+)12-14v
48BR/WTIAC 3 Driver ControlPulse Signal: 0.8-11v
49YL/BKIAC 2 Driver ControlPulse Signal: 0.8-11v
50BK/TNPower Ground<0.1v
51TN/WTHO2S-12 (B1 S2) Signal0.1-1.1v
52-53---Not Used---
54YL/WTFlexible Fuel SensorDigital Signal
55---Not Used---
56TN/RDSpeed Control Vacuum Solenoid ControlVacuum Increasing: 1v
57GY/RDIAC 1 Driver ControlPulse Signal: 0.8-11v
58PK/BKIAC 4 Driver ControlPulse Signal: 0.8-11v
59PK/BRCCD Bus (+)Digital Signal: 0-5-0v
60WT/BKCCD Bus (-)<0.050v
61PK/WT5-Volt Supply4.9-5.1v
62WT/PKBrake Switch Sense SignalBrake Off: 0v, On: 12v
63YL/DGTorque Management RequestDigital Signals
64DB/ORA/C Clutch Relay ControlRelay Off: 12v, On: 1v
65PKSCI Transmit0v
66WT/ORVehicle Speed SignalDigital Signal
67DB/YLAuto Shutdown Relay ControlRelay Off: 12v, On: 1v
68PK/BKEVAP Purge Solenoid ControlPWM Signal: 0-12-0v
69---Not Used---
70PK/RDEVAP Purge Solenoid Sense0-1v
71---Not Used---
72DB/WTLDP Switch Sense SignalLDP Switch Closed: 0v
73LG/DBRadiator Fan Control RelayRelay Off: 12v, On: 1v
74BRFuel Pump Relay ControlRelay Off: 12v, On: 1v
75LGSCI Receive5V
76BR/YLPNP Switch Sense SignalIn P/N: 0v, Others: 5v
77WT/DGLDP Solenoid ControlPWM Signal: 0-12-0v
78-79---Not Used---
80LG/RDSpeed Control Vent Solenoid ControlVacuum Decreasing: 1v


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Fig.

PCM Pin #Wire ColorCircuit Description (40 Pin)Value at Hot Idle
1---Not Used---
2DB/ORCoil 3 Driver Control5°, 55 mph: 8° dwell
3DB/TNCoil 2 Driver Control5°, 55 mph: 8° dwell
4---Not Used---
5VT/YLSpeed Control On/Off Switch Sense12-14v
6BR/WTASD Relay Power (B+)12-14v
7BR/LBInjector 3 Driver1-4 ms
8BR/GYGenerator Field DriverDigital Signal: 0-12-0v
9---Not Used---
10BK/TNPower Ground<0.1v
11DB/DGCoil 1 Driver Control5°, 55 mph: 8° dwell
12VT/GYEngine Oil Pressure Sensor1.6v at 24 psi
13BR/YLInjector 1 Driver Control1-4 ms
14BR/VTInjector 6 Driver Control1-4 ms
15BR/ORInjector 5 Driver Control1-4 ms
16BR/TNInjector 4 Driver Control1-4 ms
17BR/DBInjector 2 Driver Control1-4 ms
18BR/LGHO2S-11 (B1 S1) HeaterPWM Signal: 0-12-0v
19---Not Used---
20PK/GYIgnition Switch Power (B+)12-14v
21-24---Not Used---
25DB/YLKnock Sensor Signal0.080v AC
26VT/ORECT Sensor SignalAt 180°F: 2.80v
27BR/DGOxygen Sensor Ground<0.050v
28-29---Not Used---
30DB/LBHO2S-11 (B1 S1) Signal0.1-1.1v
31DG/ORDouble Start Override SignalKOEC: 9-11v
32BR/LBCKP Sensor SignalDigital Signal: 0-5-0v
33DB/GYCMP Sensor SignalDigital Signal: 0-5-0v
34---Not Used---
35BR/ORTP Sensor Signal0.6-1.0v
36VT/BRMAP Sensor Signal1.5-1.6v
37DB/LGIntake Air Temp. SignalAt 100°F: 1.83v
38-39---Not Used---
40DB/VTEGR Solenoid Control12v, at 55 mph: 1v


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Fig.

PCM Pin #Wire ColorCircuit Description (40 Pin)Value at Hot Idle
41VTSpeed Control Set Switch SignalS/C & Set Switch On: 3.8v
42LB/BRA/C Pressure Switch SignalA/C On: 0.451-4.850v
43DB/DGSensor Ground<0.050v
44BR/PK8-Volt Supply7.9-8.1v
45---Not Used---
46OR/RDKeep Alive Power (B+)12-14v
47-48---Not Used---
49VT/DGIAC 1 Driver ControlPulse Signals
50BK/DGPower Ground<0.1v
51DB/YLHO2S-12 (B1 S2) Signal0.1-1.1v
52-53---Not Used---
54YL/WTFlexible Fuel SensorDigital Signals
56VT/YLSpeed Control Vacuum SolenoidVacuum Increasing: 1v
57VT/LGIAC 2 Driver ControlPulse Signals
58---Not Used---
59WT/VTPCI Data Bus (J1850)Digital Signals: 0-7-0v
60---Not Used---
61PK/YL5-Volt Supply4.9-5.1v
62DG/WTBrake Switch Sense SignalBrake Off: 0v, On: 12v
63DG/LGTorque Management RequestDigital Signals
64LB/ORA/C Clutch Relay ControlRelay Off: 12v, On: 1v
65WT/BRSCI Transmit Signal0v
66DB/ORVehicle Speed SignalDigital Signal
67BR/WTASD Relay ControlRelay Off: 12v, On: 1v
68DB/WTEVAP Purge Solenoid ControlPWM Signal: 0-12-0v
69---Not Used---
70DB/BREVAP Purge Solenoid Sense0-1v
71---Not Used---
72VT/WTLDP Switch Sense SignalLDP Switch Closed: 0v
73BR/VTRadiator Fan Control RelayRelay Off: 12v, On: 1v
74BRFuel Pump Relay ControlRelay Off: 12v, On: 1v
75WT/LGSCI Receive Signal5v
76YL/LBTRS T41 SignalIn P/N: 0v, Others: 5v
77VT/LBLDP Solenoid ControlPWM Signal: 0-12-0v
78-79---Not Used---
80LG/RDSpeed Control Vent Solenoid ControlVacuum Decreasing: 1v


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Fig.

PCM Pin #Wire ColorCircuit Description (60 Pin)Value at Hot Idle
1DG/RDMAP Sensor Signal1.5-1.7v
2TN/BKECT Sensor SignalAt 180°F: 2.80v
3RD/WTFused Battery Power (B+)12-14v
4BK/LBSensor Ground<0.050v
5BK/WTSensor Ground<0.050v
6PK/WT5-Volt Supply4.9-5.1v
7OR9-Volt Supply8.9-9.1v
9DBIgnition Switch Output (B+)12-14v
10---Not Used---
11BK/TNPower Ground<0.1v
12BK/TNPower Ground<0.1v
13LB/BRInjector Control 4 Driver1-4 ms
14YL/WTInjector Control 3 Driver1-4 ms
15TNInjector Control 2 Driver1-4 ms
16WT/DBInjector Control 1 Driver1-4 ms
17DB/YLCoil Driver 2 Control5°, 55 mph: 8° dwell
18RD/YLCoil Driver 3 Control5°, 55 mph: 8° dwell
19GYCoil Driver 1 Control5°, 55 mph: 8° dwell
20DGAlternator Field ControlDigital Signal: 0-12-0v
21BK/RDAir Temperature SensorAt 100°F: 2.51v
22OR/DBTP Sensor Signal0.6-1.0v
23RD/LGSpeed Control Set Switch SignalS/C & Set Switch On: 3.8v
24GY/BKCKP Sensor SignalDigital Signal: 0-5-0v
25PKSCI Transmit0v
26PK/BRCCD Bus (+)Digital Signal: 0-5-0v
27BRA/C Damped Pressure SwitchA/C Off: 12v, On: 1v
28---Not Used---
29WT/PKBrake Switch Sense SignalBrake Off: 0v, On: 12v
30BR/YLPNP Switch Sense SignalIn P/N: 0v, Others: 5v
31DB/PKRadiator Fan Control RelayRelay Off: 12v, On: 1v
32---Not Used---
33TN/RDSpeed Control Vacuum Solenoid ControlVacuum Increasing: 1v
34DB/ORA/C WOT Relay ControlRelay Off: 12v, On: 1v
35-37---Not Used---
38GYInjector Control 5 Driver1-4 ms
39GY/RDAIS Motor 3 ControlPulse Signal: 0.8-11v
40BR/WTAIS Motor 1 ControlPulse Signal: 0.8-11v


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Fig.

PCM Pin #Wire ColorCircuit Description (60 Pin)Value at Hot Idle
41BK/DGHO2S-11 (B1 S1) Signal0.1-1.1v
42-43---Not Used---
44TN/YLCMP Sensor SignalDigital Signal: 0-5-0v
45LGSCI Receive5v
46WT/BKCCD Bus (-)<0.050v
47WT/ORVehicle Speed SignalDigital Signal
48-50---Not Used---
51DB/YLASD Relay Output (B+)12-14v
52PK/BKEVAP Purge Solenoid ControlSolenoid Off: 12v, On: 1v
53LG/RDSpeed Control Vent Solenoid ControlVacuum Decreasing: 1v
54-55---Not Used---
56GY/PKEMR Indicator (lamp) ControlLamp On: <1v, Off: 12v
57DG/ORFuel Injector Power Supply12-14v
58BR/DBInjector 6 Driver Control1-4 ms
59PK/BKAIS Motor 4 ControlPulse Signal: 0.8-11v
60YL/BKAIS Motor 2 ControlPulse Signal: 0.8-11v


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Fig.

PCM Pin #Wire ColorCircuit Description (60 Pin)Value at Hot Idle
1DG/RDMAP Sensor Signal1.5-1.7v
2TN/BKECT Sensor SignalAt 180°F: 2.80v
3RD/WTFused Battery Power (B+)12-14v
4BK/LBSensor Ground<0.050v
5BK/WTSensor Ground<0.050v
6PK/WT5-Volt Supply4.9-5.1v
7OR9-Volt Supply8.9-9.1v
8---Not Used---
9DBIgnition Switch Output (B+)12-14v
10---Not Used---
11BK/TNPower Ground<0.1v
12BK/TNPower Ground<0.1v
13LB/BRInjector Control 4 Driver1-4 ms
14YL/WTInjector Control 3 Driver1-4 ms
15TNInjector Control 2 Driver1-4 ms
16WT/DBInjector Control 1 Driver1-4 ms
17DB/YLCoil Driver 2 Control5°, 55 mph: 8° dwell
18RD/YLCoil Driver 3 Control5°, 55 mph: 8° dwell
19BK/GYCoil Driver 1 Control5°, 55 mph: 8° dwell
20DGAlternator Field ControlDigital Signal: 0-12-0v
21---Not Used---
22OR/DBTP Sensor Signal0.6-1.0v
23RD/LGSpeed Control Set Switch SignalS/C & Set Switch On: 3.8v
24GY/BKCKP Sensor SignalDigital Signal: 0-5-0v
25PKSCI Transmit0v
26PK/BRCCD Bus (+)Digital Signal: 0-5-0v
27BRA/C Damped Pressure SwitchA/C Off: 12v, On: 1v
28---Not Used---
29WT/PKBrake Switch Sense SignalBrake Off: 0v, On: 12v
30BR/YLPNP Switch Sense SignalIn P/N: 0v, Others: 5v
31DB/PKLow Speed Fan ControlRelay Off: 12v, On: 1v
32---Not Used---
33TN/RDSpeed Control Vacuum Solenoid ControlVacuum Increasing: 1v
34DB/ORA/C Clutch Relay ControlRelay Off: 12v, On: 1v
35GY/YLEGR Solenoid Control (Cal)12v, 55 mph: 1v
36-37---Not Used---
38GYInjector Control 5 Driver1-4 ms
39GY/RDAIS Motor 3 ControlPulse Signal: 0.8-11v
40BR/WTAIS Motor 1 ControlPulse Signal: 0.8-11v


Click image to see an enlarged view

Fig.

PCM Pin #Wire ColorCircuit Description (60 Pin)Value at Hot Idle
41BK/DGHO2S-11 (B1 S1) Signal0.1-1.1v
42-43---Not Used---
44TN/YLCMP Sensor SignalDigital Signal: 0-5-0v
45LGSCI Receive5v
46WT/BKCCD Bus (-)<0.050v
47WT/ORVehicle Speed SignalDigital Signal
48-50---Not Used---
51DB/YLASD Relay Output (B+)12-14v
52PK/BKEVAP Purge Solenoid ControlSolenoid Off: 12v, On: 1v
53LG/RDSpeed Control Vent Solenoid ControlVacuum Decreasing: 1v
54---Not Used---
55YLHigh Speed Fan ControlRelay Off: 12v, On: 1v
56---Not Used---
57DG/ORFuel Injector Power Supply12-14v
58BR/DBInjector 6 Driver Control1-4 ms
59PK/BKAIS Motor 4 ControlPulse Signal: 0.8-11v
60YL/BKAIS Motor 2 ControlPulse Signal: 0.8-11v


Click image to see an enlarged view

Fig.

PCM Pin #Wire ColorCircuit Description (40 Pin)Value at Hot Idle
1---Not Used---
2RD/YLCoil Driver 3 (Cyl 3 & 6)5°, 55 mph: 8° dwell
3DB/TNCoil Driver 2 (Cyl 2 & 5)5°, 55 mph: 8° dwell
4DGGenerator Field DriverDigital Signal: 0-12-0v
5YL/RDSpeed Control Power Supply12-14v
6DG/ORASD Relay Output (B+)12-14v
7YL/WTInjector 3 Driver Control1-4 ms
8TNSmart Start Relay ControlKOEC: 9-11v
9---Not Used---
10BK/TNPower Ground<0.1v
11GY/RDCoil Driver 1 (Cyl 1 & 4)5°, 55 mph: 8° dwell
12---Not Used---
13WT/DBInjector 1 Driver Control1-4 ms
14BR/DBInjector 6 Driver Control1-4 ms
15GYInjector 5 Driver Control1-4 ms
16LB/BRInjector 4 Driver Control1-4 ms
17TNInjector 2 Driver Control1-4 ms
18-19---Not Used---
20WT/BKIgnition Switch Output (B+)12-14v
21-25---Not Used---
26TN/BKECT Sensor SignalAt 180°F: 2.80v
27-29---Not Used---
30BK/DGHO2S-11 (B1 S1) Signal0.1-1.1v
31---Not Used---
32GY/BKCKP Sensor SignalDigital Signal: 0-5-0v
33TN/YLCMP Sensor SignalDigital Signal: 0-5-0v
34---Not Used---
35OR/DBTP Sensor Signal0.6-1.0v
36DG/RDMAP Sensor Signal1.5-1.7v
37-39---Not Used---
40GY/YLEGR Solenoid Control12v, 55 mph: 1v


Click image to see an enlarged view

Fig.

PCM Pin #Wire ColorCircuit Description (40 Pin)Value at Hot Idle
41RD/LGSpeed Control Set Switch SignalS/C & Set Switch On: 3.8v
42DBA/C Pressure Switch SignalA/C On: 0.451-4.850v
43BK/LBSensor Ground<0.050v
44OR8-Volt Supply7.9-8.1v
45DBA/C Switch Sense SignalA/C Off: 12v, On: 1v
46RD/WTFused Battery Power (B+)12-14v
47---Not Used---
48BR/WTIAC 1 Driver ControlPulse Signal: 0.8-11v
49YL/BKIAC 2 Driver ControlPulse Signal: 0.8-11v
50BK/TNPower Ground<0.1v
52-56---Not Used---
51TN/WTHO2S-12 (B1 S2) Signal0.1-1.1v
57GY/RDIAC 3 Driver ControlPulse Signal: 0.8-11v
58PK/BKIAC 4 Driver ControlPulse Signal: 0.8-11v
59PK/BRCCD Bus (+)Digital Signal: 0-5-0v
60WT/BKCCD Bus (-)<0.050v
61PK/WT5-Volt Supply4.9-5.1v
62WT/PKBrake Switch Sense SignalBrake Off: 0v, On: 12v
63YL/DGTorque Management RequestDigital Signals
64DB/ORA/C Clutch Relay ControlRelay Off: 12v, On: 1v
65PKSCI Transmit0v
66WT/ORVehicle Speed SignalDigital Signal
67DB/YLAuto Shutdown Relay ControlRelay Off: 12v, On: 1v
68PK/BKEVAP Purge Solenoid ControlPWM Signal: 0-12-0v
69-71---Not Used---
72YL/BKLDP Switch Sense SignalLDP Switch Closed: 0v
73LG/DBRadiator Fan Control RelayRelay Off: 12v, On: 1v
74BRFuel Pump Relay ControlRelay Off: 12v, On: 1v
75LGSCI Receive5v
76BK/WTPNP Switch Sense SignalIn P/N: 0v, Others: 5v
77WT/DGLDP Solenoid ControlPWM Signal: 0-12-0v
78TN/RDSpeed Control Vacuum Solenoid ControlVacuum Increasing: 1v
79---Not Used---
80LG/RDSpeed Control Vent Solenoid ControlVacuum Decreasing: 1v


Click image to see an enlarged view

Fig.

PCM Pin #Wire ColorCircuit Description (40 Pin)Value at Hot Idle
1---Not Used---
2RD/YLCoil Driver 3 (Cyl 3 & 6)5°, 55 mph: 8° dwell
3DB/TNCoil Driver 2 (Cyl 2 & 5)5°, 55 mph: 8° dwell
4DGGenerator Field DriverDigital Signal: 0-12-0v
5YL/RDSpeed Control Power Supply12-14v
6DG/ORASD Relay Output (B+)12-14v
7YL/WTInjector 3 Driver Control1-4 ms
8TNSmart Start Relay ControlKOEC: 9-11v
9---Not Used---
10BK/TNPower Ground<0.1v
11GY/RDCoil Driver 1 (Cyl 1 & 4)5°, 55 mph: 8° dwell
12---Not Used---
13WT/DBInjector 1 Driver Control1-4 ms
14BR/DBInjector 6 Driver Control1-4 ms
15GYInjector 5 Driver Control1-4 ms
16LB/BRInjector 4 Driver Control1-4 ms
17TNInjector 2 Driver Control1-4 ms
18-19---Not Used---
20WT/BKIgnition Switch Output (B+)12-14v
21, 23---Not Used---
22BK/PKMalfunction Indicator LampMIL Off: 12v, On: 1v
24DB/LGKnock Sensor SignalNo knock: 2.5v DC
25---Not Used---
26TN/BKECT Sensor SignalAt 180°F: 2.80v
27-29---Not Used---
30BK/DGHO2S-11 (B1 S1) Signal0.1-1.1v
31---Not Used---
32GY/BKCKP Sensor SignalDigital Signal: 0-5-0v
33TN/YLCMP Sensor SignalDigital Signal: 0-5-0v
34---Not Used---
35OR/DBTP Sensor Signal0.6-1.0v
36DG/RDMAP Sensor Signal1.5-1.7v
37-39---Not Used---
40GY/YLEGR Solenoid Control12v, 55 mph: 1v


Click image to see an enlarged view

Fig.

PCM Pin #Wire ColorCircuit Description (40 Pin)Value at Hot Idle
41RD/LGSpeed Control Set Switch SignalS/C & Set Switch On: 3.8v
42DBA/C Pressure Switch SignalA/C On: 0.451-4.850v
43BK/LBSensor Ground<0.050v
44OR8-Volt Supply7.9-8.1v
45DGA/C Switch Sense SignalA/C Off: 12v, On: 1v
46RD/WTFused Battery Power (B+)12-14v
47---Not Used---
48BR/WTIAC 3 Driver ControlPulse Signal: 0.8-11v
49YL/BKIAC 2 Driver ControlPulse Signal: 0.8-11v
50BK/TNPower Ground<0.1v
51TN/WTHO2S-12 (B1 S2) Signal0.1-1.1v
52-56---Not Used---
57GY/RDIAC 1 Driver ControlPulse Signal: 0.8-11v
58PK/BKIAC 4 Driver ControlPulse Signal: 0.8-11v
59PK/BRCCD Bus (+)Digital Signal: 0-5-0v
60WT/BKCCD Bus (-)<0.050v
61PK/WT5-Volt Supply4.9-5.1v
62WT/PKBrake Switch Sense SignalBrake Off: 0v, On: 12v
63YL/DGTorque Management RequestDigital Signals
64DB/ORA/C Clutch Relay ControlRelay Off: 12v, On: 1v
65PKSCI Transmit0v
66WT/ORVehicle Speed SignalDigital Signal
67DB/YLAuto Shutdown Relay ControlRelay Off: 12v, On: 1v
68PK/BKEVAP Purge Solenoid ControlPWM Signal: 0-12-0v
69-71---Not Used---
72DB/WTLDP Switch Sense SignalLDP Switch Closed: 0v
73LG/DGRadiator Fan Control RelayRelay Off: 12v, On: 1v
74BRFuel Pump Relay ControlRelay Off: 12v, On: 1v
75LGSCI Receive5v
76BK/YPNP Switch Sense SignalIn P/N: 0v, Others: 5v
77WT/DGLDP Solenoid ControlPWM Signal: 0-12-0v
78TN/RDSpeed Control Vacuum Solenoid ControlVacuum Increasing: 1v
79---Not Used---
80LG/RDSpeed Control Vent Solenoid ControlVacuum Decreasing: 1v


Click image to see an enlarged view

Fig.

PCM Pin #Wire ColorCircuit Description (40 Pin)Value at Hot Idle
1, 4---Not Used---
2RD/YLCoil Driver 3 (Cyl 3 & 6)5°, 55 mph: 8° dwell
3DB/TNCoil Driver 2 (Cyl 2 & 5)5°, 55 mph: 8° dwell
5YL/RDSpeed Control Power Supply12-14v
6DG/ORASD Relay Output (B+)12-14v
7YL/WTInjector 3 Driver Control1-4 ms
8DGGenerator Field DriverDigital Signal: 0-12-0v
9---Not Used---
10BK/TNPower Ground<0.1v
11GY/RDCoil Driver 1 (Cyl 1 & 4)5°, 55 mph: 8° dwell
12---Not Used---
13WT/DBInjector 1 Driver Control1-4 ms
14BR/DBInjector 6 Driver Control1-4 ms
15GYInjector 5 Driver Control1-4 ms
16LB/BRInjector 4 Driver Control1-4 ms
17TN/WTInjector 2 Driver Control1-4 ms
18-19---Not Used---
20WT/BKIgnition Switch Output (B+)12-14v
21, 23---Not Used---
22BK/PKMalfunction Indicator LampMIL Off: 12v, On: 1v
24---Not Used---
25DB/LGKnock Sensor SignalNo knock: 2.5v DC
26TN/BKECT Sensor SignalAt 180°F: 2.80v
27BK/ORHO2S-11 Ground<0.1v
28-29---Not Used---
30BK/DGHO2S-11 (B1 S1) Signal0.1-1.1v
31TNSmart Start Relay ControlKOEC: 9-11v
32GY/BKCKP Sensor SignalDigital Signal: 0-5-0v
33TN/YLCMP Sensor SignalDigital Signal: 0-5-0v
34---Not Used---
35OR/DBTP Sensor Signal0.6-1.0v
36DG/RDMAP Sensor Signal1.5-1.7v
37, 39---Not Used---
38DG/LBA/C Switch Sense SignalA/C Off: 12v, On: 1v
40GY/YLEGR Solenoid Control12v, 55 mph: 1v


Click image to see an enlarged view

Fig.

PCM Pin #Wire ColorCircuit Description (40 Pin)Value at Hot Idle
41RD/LGSpeed Control Set Switch SignalS/C & Set Switch On: 3.8v
42DBA/C Pressure Switch SignalA/C On: 0.451-4.850v
43BK/LBSensor Ground<0.050v
44OR8-Volt Supply7.9-8.1v
45---Not Used---
46RD/WTFused Battery Power (B+)12-14v
47---Not Used---
48BR/WTIAC 3 Driver ControlPulse Signal: 0.8-11v
49YL/BKIAC 2 Driver ControlPulse Signal: 0.8-11v
50BK/TNPower Ground<0.1v
51TN/WTHO2S-12 (B1 S2) Signal0.1-1.1v
52-55---Not Used---
56TN/RDSpeed Control Vacuum Solenoid ControlVacuum Increasing: 1v
57GY/RDIAC 1 Driver ControlPulse Signal: 0.8-11v
58PK/BKIAC 4 Driver ControlPulse Signal: 0.8-11v
59PK/BRCCD Bus (+)Digital Signal: 0-5-0v
60WT/BKCCD Bus (-)<0.050v
61PK/WT5-Volt Supply4.9-5.1v
62WT/PKBrake Switch Sense SignalBrake Off: 0v, On: 12v
63YL/DGTorque Management RequestDigital Signals
64DB/ORA/C Clutch Relay ControlRelay Off: 12v, On: 1v
65PKSCI Transmit Signal0v
66WT/ORVehicle Speed SignalDigital Signal
67DB/YLAuto Shutdown Relay ControlRelay Off: 12v, On: 1v
68PK/BKEVAP Purge Solenoid ControlPWM Signal: 0-12-0v
69---Not Used---
70 ('99)DG/LGEVAP Purge Solenoid Sense0-1v
70PK/RDEVAP Purge Solenoid Sense0-1v
71---Not Used---
72DB/WTLDP Switch Sense SignalLDP Switch Closed: 0v
73LG/DGRadiator Fan Control RelayRelay Off: 12v, On: 1v
74BRFuel Pump Relay ControlRelay Off: 12v, On: 1v
75LGSCI Receive Signal5v
76BK/YPNP Switch Sense SignalIn P/N: 0v, Others: 5v
77WT/DGLDP Solenoid ControlPWM Signal: 0-12-0v
78-79---Not used---
80LG/RDSpeed Control Vent Solenoid ControlVacuum Decreasing: 1v
 
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