Looking for '98 LS1 ECU Pinout
#2
Banned
iTrader: (43)
PCM Connector C1 (Red)
Connector Part Information
PCM Connector C1 (Red)
80 Pin Connector
Pin
Wire Color
Circuit No.
Function
1-2
--
--
Not Used
3
WHT
1310
EVAP Canister Vent Solenoid Valve Control
4
BRN/WHT
633
Camshaft Position Sensor Signal
5-6
--
--
Not Used
7
YEL
400
VSS Signal High
8
--
--
Not Used
9
PNK/BLK
1746
Injector #3 Control
10
--
--
Not Used
11
DK BLU
229
VTD Fuel Enable
12
LT BLU/BLK
844
Injector #4 Control
13
RED/WHT
2122
Injector #2 Control
14
DK GRN
59
A/C Status
15
BLK/WHT
845
Injector #5 Control
16-17
--
--
Not Used
18
YEL/BLK
846
Injector #6 Control
19-20
--
--
Not Used
21
PPL
719
IAT Sensor Ground
22
DK BLU
1225
Transmission Range Signal B
23
LT GRN/BLK
1745
Injector #2 Control
24
BLK/WHT
1704
Sensor Ground Jumper
25
PNK
1224
Transmission Range Signal A
26
--
--
Not Used
27
RED/BLK
877
Injector #7 Control
28-29
--
--
Not Used
30
GRY/BLK
1687
Spark Retard Signal
31
DK BLU/WHT
878
Injector #8 Control
32
ORN/BLK
434
PNP Switch Signal
33
BLK
1744
Injector #1 Control
34
GRY or WHT
587 or 687
Skip Shift Solenoid (M/T) or 3-2 Shift Solenoid (A/T)
35
LT GRN
1222
1-2 Shift Solenoid
36
DK/BLU
1936
Fuel Gauge Output Control
37
BRN/WHT
419
MIL Control
38
--
--
Not Used
39
DK GRN/WHT
459
A/C Clutch Relay Control
40
WHT or YEL/BLK
375 or 1223
Skip Shift Lamp Control (M/T) or 2-3 Shift Solenoid (A/T)
41
BRN/WHT
1173
Low Oil Level Indicator Lamp Control
42
LT GRN
1652
Reverse Inhibit Solenoid Control
43
DK/GRN
335
Cooling Fan Relay #1 Control
44
YEL
573
Crankshaft Position Sensor Signal Input
45
DK GRN/WHT
428
EVAP Canister Purge Valve Control
46
--
--
Not Used
47
DK GRN/WHT
762
A/C Request Signal
48
YEL
492
MAF Signal
49
PPL
2121
Ignition #1 Control
50-51
--
--
Not Used
52
PPL/WHT
2128
Ignition #8 Control
53
RED
2127
Ignition #7 Control
54
LT BLU/WHT
2126
Ignition #6 Control
55
DK GRN/WHT
817
VSS Output Signal
56
DK GRN
2125
Ignition #5 Control
57
DK GRN/WHT
2124
Ignition #4 Control
58
LT BLU
2123
Ignition #3 Control
59
BRN/WHT
2130
Ignition Control Reference Low Bank 2
60
BRN
2129
Ignition Control Reference Low Bank 1
61
RED
1226
Transmission Range Signal C
62
BLK
552
EGR Pintle Position Ground
63
BLK
407
A/C Refrigerant Pressure Sensor Ground
64-70
--
--
Not Used
71
PPL
401
VSS Signal Low
72
BLK
451
PCM Ground
73-74
--
--
Not Used
75
GRY
720
Left and Right Fuel Tank Level Sensor Ground
76
BLK
451
PCM Ground
77
PPL
420
TCC/Brake Switch Signal
78-80
--
--
Not Used
PCM Connector C2 (Blue)
Connector Part Information
PCM Connector C2 (Blue)
80 Pin Connector
Pin
Wire Color
Circuit No.
Function
1
TAN
1671
HO2S Signal Low Bank 2 Sensor 2
2
TAN/WHT
1669
HO2S Signal Low Bank 1 Sensor 2
3
TAN
800
Serial Data (UART)
4
RED
631
Camshaft Position Sensor B+ Supply
5
TAN
1667
HO2S Signal Low Bank 2 Sensor 1
6
TAN/WHT
1653
HO2S Signal Low Bank 1 Sensor 1
7
RED/BLK
380
A/C Refrigerant Pressure Sensor Signal
8
TAN
472
IAT Sensor Signal
9
BRN
1456
EGR Pintle Position Sensor Signal
10
PPL
30
Fuel Level Sensor Signal
11
--
--
Not Used
12
DK BLU
417
TP Sensor Signal
13
YEL/BLK
1227
Transmission Fluid Temperature Sensor Signal
14
ORN/BLK
1057
Transmission Fluid Temperature Sensor Ground
15-18
--
--
Not Used
19
PNK
439
PCM Ignition 1 Feed
20
ORN
340
PCM Battery Feed
21
BLK
451
PCM Ground
22
YEL/BLK
1868
Crankshaft Position Sensor Ground
23
BLK
452
TP Sensor Ground
24
BLK/WHT
1704
Sensor Ground Jumper
25
BRN
718
ECT Sensor Ground
26
ORN/BLK
469
MAP Sensor Ground
27
--
--
Not Used
28
DK BLU
473
Engine Cooling Fan Relay #2 and #3 Control
29
--
--
Not Used
30
BRN
436
AIR Pump Relay Control
31
PPL
421
AIR Solenoid Relay Control
32
TAN/BLK
422
TCC Enable Solenoid
33
BRN
418
TCC (PWM) Solenoid Valve Control
34
GRY
435
EGR Valve Ground
35
WHT
121
Engine Speed (Tach) Output Signal
36
LT BLU/WHT
1229
Transmission Fluid Pressure Control Solenoid Control Low
37
DK GRN/WHT
465
Fuel Pump Relay Control
38
LT BLU
697
EGR Valve Control Circuit
39
RED/BLK
1228
Transmission Fluid Pressure Control Solenoid Control High
40
--
--
Not Used
41
PPL
1670
HO2S Signal High Bank 2 Sensor 2
42
PPL/WHT
1668
HO2S Signal High Bank 1 Sensor 2
43
GRY
596
TP Sensor 5V Reference
44-45
--
--
Not Used
46
PPL
1666
HO2S Signal High Bank 2 Sensor 1
47
PPL/WHT
1665
HO2S Signal High Bank 1 Sensor 1
48
LT GRN
432
MAP Sensor Signal
49
YEL
410
ECT Sensor Signal
50-51
--
--
Not Used
52
DK GRN
890
Fuel Tank Pressure Sensor Signal
53
--
--
Not Used
54
LT GRN/BLK
444
IAC Coil B Low
55
LT BLU/BLK
1748
IAC Coil A Low
56
LT BLU/WHT
1747
IAC Coil A High
57
LT GRN/WHT
1749
IAC Coil B High
58
PPL
1807
Serial Data (Class 2)
59
--
--
Not Used
60
BLK
451
PCM Ground
61
ORN
340
PCM Battery Feed
62
LT GRN
1867
Crankshaft Position Sensor B+ Supply
63
--
--
Not Used
64
GRY
416
MAP Sensor 5.0 Volt Reference
65
GRY
705
5V Reference
66
GRY
474
A/C Refrigerant Pressure Sensor 5.0 Volt Reference
67
GRY
598
5V Reference
68
LT BLU
1876
Knock Sensor (KS) Rear
69
DK BLU
496
Knock Sensor (KS) Front
70
PNK/BLK
632
Camshaft Position Sensor Ground
71-75
--
--
Not Used
76
BRN
1174
Oil Level Sensor Signal
77-80
--
--
Not Used
Connector Part Information
PCM Connector C1 (Red)
80 Pin Connector
Pin
Wire Color
Circuit No.
Function
1-2
--
--
Not Used
3
WHT
1310
EVAP Canister Vent Solenoid Valve Control
4
BRN/WHT
633
Camshaft Position Sensor Signal
5-6
--
--
Not Used
7
YEL
400
VSS Signal High
8
--
--
Not Used
9
PNK/BLK
1746
Injector #3 Control
10
--
--
Not Used
11
DK BLU
229
VTD Fuel Enable
12
LT BLU/BLK
844
Injector #4 Control
13
RED/WHT
2122
Injector #2 Control
14
DK GRN
59
A/C Status
15
BLK/WHT
845
Injector #5 Control
16-17
--
--
Not Used
18
YEL/BLK
846
Injector #6 Control
19-20
--
--
Not Used
21
PPL
719
IAT Sensor Ground
22
DK BLU
1225
Transmission Range Signal B
23
LT GRN/BLK
1745
Injector #2 Control
24
BLK/WHT
1704
Sensor Ground Jumper
25
PNK
1224
Transmission Range Signal A
26
--
--
Not Used
27
RED/BLK
877
Injector #7 Control
28-29
--
--
Not Used
30
GRY/BLK
1687
Spark Retard Signal
31
DK BLU/WHT
878
Injector #8 Control
32
ORN/BLK
434
PNP Switch Signal
33
BLK
1744
Injector #1 Control
34
GRY or WHT
587 or 687
Skip Shift Solenoid (M/T) or 3-2 Shift Solenoid (A/T)
35
LT GRN
1222
1-2 Shift Solenoid
36
DK/BLU
1936
Fuel Gauge Output Control
37
BRN/WHT
419
MIL Control
38
--
--
Not Used
39
DK GRN/WHT
459
A/C Clutch Relay Control
40
WHT or YEL/BLK
375 or 1223
Skip Shift Lamp Control (M/T) or 2-3 Shift Solenoid (A/T)
41
BRN/WHT
1173
Low Oil Level Indicator Lamp Control
42
LT GRN
1652
Reverse Inhibit Solenoid Control
43
DK/GRN
335
Cooling Fan Relay #1 Control
44
YEL
573
Crankshaft Position Sensor Signal Input
45
DK GRN/WHT
428
EVAP Canister Purge Valve Control
46
--
--
Not Used
47
DK GRN/WHT
762
A/C Request Signal
48
YEL
492
MAF Signal
49
PPL
2121
Ignition #1 Control
50-51
--
--
Not Used
52
PPL/WHT
2128
Ignition #8 Control
53
RED
2127
Ignition #7 Control
54
LT BLU/WHT
2126
Ignition #6 Control
55
DK GRN/WHT
817
VSS Output Signal
56
DK GRN
2125
Ignition #5 Control
57
DK GRN/WHT
2124
Ignition #4 Control
58
LT BLU
2123
Ignition #3 Control
59
BRN/WHT
2130
Ignition Control Reference Low Bank 2
60
BRN
2129
Ignition Control Reference Low Bank 1
61
RED
1226
Transmission Range Signal C
62
BLK
552
EGR Pintle Position Ground
63
BLK
407
A/C Refrigerant Pressure Sensor Ground
64-70
--
--
Not Used
71
PPL
401
VSS Signal Low
72
BLK
451
PCM Ground
73-74
--
--
Not Used
75
GRY
720
Left and Right Fuel Tank Level Sensor Ground
76
BLK
451
PCM Ground
77
PPL
420
TCC/Brake Switch Signal
78-80
--
--
Not Used
PCM Connector C2 (Blue)
Connector Part Information
PCM Connector C2 (Blue)
80 Pin Connector
Pin
Wire Color
Circuit No.
Function
1
TAN
1671
HO2S Signal Low Bank 2 Sensor 2
2
TAN/WHT
1669
HO2S Signal Low Bank 1 Sensor 2
3
TAN
800
Serial Data (UART)
4
RED
631
Camshaft Position Sensor B+ Supply
5
TAN
1667
HO2S Signal Low Bank 2 Sensor 1
6
TAN/WHT
1653
HO2S Signal Low Bank 1 Sensor 1
7
RED/BLK
380
A/C Refrigerant Pressure Sensor Signal
8
TAN
472
IAT Sensor Signal
9
BRN
1456
EGR Pintle Position Sensor Signal
10
PPL
30
Fuel Level Sensor Signal
11
--
--
Not Used
12
DK BLU
417
TP Sensor Signal
13
YEL/BLK
1227
Transmission Fluid Temperature Sensor Signal
14
ORN/BLK
1057
Transmission Fluid Temperature Sensor Ground
15-18
--
--
Not Used
19
PNK
439
PCM Ignition 1 Feed
20
ORN
340
PCM Battery Feed
21
BLK
451
PCM Ground
22
YEL/BLK
1868
Crankshaft Position Sensor Ground
23
BLK
452
TP Sensor Ground
24
BLK/WHT
1704
Sensor Ground Jumper
25
BRN
718
ECT Sensor Ground
26
ORN/BLK
469
MAP Sensor Ground
27
--
--
Not Used
28
DK BLU
473
Engine Cooling Fan Relay #2 and #3 Control
29
--
--
Not Used
30
BRN
436
AIR Pump Relay Control
31
PPL
421
AIR Solenoid Relay Control
32
TAN/BLK
422
TCC Enable Solenoid
33
BRN
418
TCC (PWM) Solenoid Valve Control
34
GRY
435
EGR Valve Ground
35
WHT
121
Engine Speed (Tach) Output Signal
36
LT BLU/WHT
1229
Transmission Fluid Pressure Control Solenoid Control Low
37
DK GRN/WHT
465
Fuel Pump Relay Control
38
LT BLU
697
EGR Valve Control Circuit
39
RED/BLK
1228
Transmission Fluid Pressure Control Solenoid Control High
40
--
--
Not Used
41
PPL
1670
HO2S Signal High Bank 2 Sensor 2
42
PPL/WHT
1668
HO2S Signal High Bank 1 Sensor 2
43
GRY
596
TP Sensor 5V Reference
44-45
--
--
Not Used
46
PPL
1666
HO2S Signal High Bank 2 Sensor 1
47
PPL/WHT
1665
HO2S Signal High Bank 1 Sensor 1
48
LT GRN
432
MAP Sensor Signal
49
YEL
410
ECT Sensor Signal
50-51
--
--
Not Used
52
DK GRN
890
Fuel Tank Pressure Sensor Signal
53
--
--
Not Used
54
LT GRN/BLK
444
IAC Coil B Low
55
LT BLU/BLK
1748
IAC Coil A Low
56
LT BLU/WHT
1747
IAC Coil A High
57
LT GRN/WHT
1749
IAC Coil B High
58
PPL
1807
Serial Data (Class 2)
59
--
--
Not Used
60
BLK
451
PCM Ground
61
ORN
340
PCM Battery Feed
62
LT GRN
1867
Crankshaft Position Sensor B+ Supply
63
--
--
Not Used
64
GRY
416
MAP Sensor 5.0 Volt Reference
65
GRY
705
5V Reference
66
GRY
474
A/C Refrigerant Pressure Sensor 5.0 Volt Reference
67
GRY
598
5V Reference
68
LT BLU
1876
Knock Sensor (KS) Rear
69
DK BLU
496
Knock Sensor (KS) Front
70
PNK/BLK
632
Camshaft Position Sensor Ground
71-75
--
--
Not Used
76
BRN
1174
Oil Level Sensor Signal
77-80
--
--
Not Used