GM V6 PCM pinouts

the PCM P/N’s:

16236757

09356741

09357034

09361735

09374997

09378702

09380717

12209614

12209624

GM OBD2 V6 PCM pinout chart. USE AT OWN RISK!

Blue 2000 grand am 2001 olds aurora Montana 1998 firebird 3.8 2002 firebird 3.8 98-02 L67
1 Trans temp ground Low Ref Sensor ground TFT sensor ground
2 Second gear start indicator Service TCS indicator
3 Fuel level indicator Fuel level indicator
4 1-2 shift solenoid 1-2 shift solenoid 1-2 shift solenoid 1-2 shift solenoid 1-2 shift solenoid 1-2 shift solenoid
5 High speed fan High speed fan High speed fan High speed fan High speed fan High speed fan
6 Low speed fan Low speed fan Low speed fan Low speed fan Low speed fan Low speed fan
7 Cam position signal Cam position signal Cam position signal Cam position signal Cam position signal Cam position signal
8 3x crank pos ref high Crank pos 2 signal 3x crank pos ref high 3x crank pos ref 3x crank pos ref 3x crank pos ref
9 24x crank pos high Crank pos 1 Signal 24x crank pos high 18x crank pos ref 18x crank pos ref 18x crank pos ref
10 MAP 5v ref MAP 5v ref MAP 5v ref MAP 5V ref
11
12 ECT ground Low ref ECT res low
13 MAP/ECT ground MAP/ECT ground MAP/ECT ground MAP ground Low ref MAP ref low
14 UART serial data(secondary
15 Serial data UART serial data(Primary) UART serial data
16 PCM ground PCM ground PCM ground PCM ground PCM ground PCM ground
17 IAT ground IAT ground IAT ground IAT ground Low reference ECT ground
18
19 IGN + IGN + IGN + IGN + IGN + IGN+
20 B+ B+ B+ B+ B+ B+
21
22 Trans fluid pressure switch A Trans fluid pressure switch A Trans fluid pressure switch A Trans fluid pressure switch A Trans fluid pressure switch A Trans fluid pressure switch A
23
24
25
26
27 Bank 1 HO2S 1 low Bank 1 HO2S 1 low
28 HO2s 2 Low HO2s 2 Low HO2s 2 Low Bank 1 HO2S 3 low Bank 1 HO2S 3 low HO2S sensor 2 low
29 HO2s 1 Low HO2s 1 Low HO2s 1 Low Bank2 HO2S 1 low Bank2 HO2S 1 low HO2S sensor 1 low
30 TCC brake input TCC brake input TCC brake input TCC brake input TCC brake input TCC brake input
31 EGR pintle position ground EGR pintle position ground EGR pintle position ground Sensor ground Low ref EGR pintle pos ground
32 EGR valve control EGR valve control EGR valve control EGR valve ground Egr solenoid control EGR IGN+
33 Knock sensor Knock sensor Knock sensor Bank1 KS Bank1 KS Bank 1 KS
34 Bank 2 KS Bank 2 KS Bank 2 KS
35
36 Generator control Charge warning light
37
38 IAC valve B high IAC valve B high IAC valve B high IAC valve B high IAC B High
39 Fuel pump speed control
40
41
42
43 Fuel injector #1 Fuel injector #6 Fuel injector #1 Fuel injector #6 Fuel injector #6 Fuel injector #6
44 2-3 shift solenoid 2-3 shift solenoid 2-3 shift solenoid Shift solenoid B control 2-3 shift solenoid 2-3 shift solenoid control
45 AIR valve control AIR valve control AIR valve control AIR control solenoid ground
46 Fuel injector #3 Fuel injector #2 Fuel injector #3 Fuel injector #4 Fuel injector #4 Fuel injector #4
47 Fuel injector #2 Fuel injector #1 Fuel injector #2 Fuel injector #5 Fuel injector #5 Fuel injector # 5
48 3x crank position ref Low Crank position low ref 3x crank position ref Low 3x crank position ref Low 3x crank position ref Low 3x crank position ref low
49 Coil 1 control
50 Coil 2 control
51 Coil 6 control
52 Coil 5 control
53 Bypass control Coil 4 control Bypass control Bypass control Bypass control Bypass control
54 Ignition control Coil 3 control Ignition control Ignition control Ignition control Ignition control
55 Vehicle speed signal output Vehicle speed signal output Vehicle speed signal output Vehicle speed signal output Vehicle speed signal output Vehicle speed signal output
56 PCM ground PCM ground PCM ground PCM ground PCM ground PCM ground
57 PCM ground PCM ground PCM ground PCM ground PCM ground PCM ground
58 Class II serial Class II serial
59 Class II serial Class II serial Class II serial Class II serial Class II serial
60 PCM ground PCM ground PCM ground PCM ground PCM ground PCM ground
61 TPS ground TPS ground TPS ground TPS ground TPS ground
62 Input shaft speed low Input shaft speed low Input shaft speed low Input shaft speed low
63 Input shaft speed high Input shaft speed high Input shaft speed high Input shaft speed high
64 VSS high VSS high VSS high VSS high VSS high VSS high
65 VSS low VSS low VSS low VSS low VSS low VSS low
66
67
68 Transaxle range switch B Transaxle range switch B Transaxle range switch B Trans range switch B
69 MAF signal MAF signal MAF signal MAF signal MAF signal MAF signal
70 Theft deterrent fuel enable Theft deterrent fuel enable Theft deterrent fuel enable
71 Requested torque signal Requested torque Requested torque Requested torque
72 Cruise inhibit control Cruise inhibit control Cruise inhibit control Cruise inhibit control Cruise inhibit control
73 Fuel injector #5 Fuel injector #4 Fuel injector #5 Fuel injector #2 Fuel injector #2 Fuel injector #2
74
75 Engine hot lamp
76 Evap purge valve control Evap purge valve control Evap purge valve control Evap purge valve control Evap purge valve control Evap purge valve control
77
78
79 Fuel injector #6 Fuel injector #5 Fuel injector #6 Fuel injector #1 Fuel injector #1 Fuel injector #1
80 AC pressure sensor ground AC pressure sensor ground AC pressure sensor ref low AC pressure sensor ref low
clear 2000 grand am 2001 olds aurora Montana 1998 firebird 3.8 2002 firebird 3.8 98-02 L67
1
2 EVAP vent solenoid control EVAP vent solenoid control EVAP vent solenoid control EVAP vent solenoid control EVAP vent solenoid control EVAP vent solenoid control
3 Fuel pump relay control Fuel pump relay control Fuel pump relay control Fuel pump relay control Fuel pump relay control Fuel pump relay control
4 EGR valve IGN + EGR valve IGN + EGR valve IGN + EGR valve control EGR valve control EGR valve control
5 SES light SES light SES light SES light SES light SES light
6 Low oil level light Low oil level light Low oil level light
7 IAC valve A high IAC valve A high IAC valve A high IAC valve A high IAC valve A high
8 Engine speed signal Engine speed signal Tach control
9 Delivered torque signal Delivered torque signal Delivered torque signal Delivered torque signal
10 HO2s 1 signal HO2s 1 high signal HO2s 1 signal Bank 2 HO2S 1 signal Bank 2 HO2S 1 signal HO2s 1 signal
11 HO2s 2 signal HO2s 2 high signal HO2s 2 signal Bank 1 HO2S 3 signal Bank 1 HO2S 3 signal HO2s 2 signal
12 Bank 1 HO2S 1 signal Bank 1 HO2S 1 signal
13
14
15
16 Transaxle range switch P Transaxle range switch P Transaxle range switch Parity PNP switch Neutral safety switch signal Transaxle range switch P
17 Trans fluid pressure switch C Trans fluid pressure switch C Trans fluid pressure switch A Transmission range C (4L40E) Transaxle fluid pressure switch C Transaxle fluid pressure switch C
18 Transaxle range switch A Transaxle range switch A Transaxle range switch A Cruise control/clutch anticipate switch CPP switch signal Transaxle range switch A
19 Oil pressure input Oil pressure input
20
21 2nd gear start signal Traction control switch signal Performance switch input
22 AC request AC request AC request AC request
23 Crank voltage crank Crank signal Crank signal
24 IGN+ IGN+ IGN+ Cruise control release signal
25 MAP signal MAP signal MAP signal MAP signal MAP signal MAP signal
26 ECT signal ECT signal ECT signal ECT signal ECT signal ECT signal
27 AC pressure signal AC pressure signal AC pressure signal AC pressure signal AC pressure signal AC pressure signal
28 EGR pintle position signal EGR pintle position signal EGR pintle position signal EGR pintle position signal EGR pintle position signal EGR pintle position signal
29 Generator F terminal monitor Generator field duty cycle signal
30 EGR 5v Ref EGR 5v Ref EGR 5v Ref EGR 5V ref
31 B+
32 FTP 5v ref FTP 5v ref
33 TPS 5v ref TPS 5v ref TPS 5v ref TPS 5v ref 5v ref TPS 5v ref
34 AC pressure 5v ref B AC pressure 5v ref B AC pressure 5v ref B AC pressure 5v ref B 5v ref AC pressure 5v ref B
35 FTP/fuel level ground FTP/fuel level ground Sensor ground Sensor ground Low ref Sensor ground
36 Change oil lamp control
37 HO2s heater low control sensor 1
38
39 AC relay control AC relay control AC relay control AC relay control AC relay control AC relay control
40
41
42 Fuel injector #4 Fuel injector #3 Fuel injector #4 Fuel injector #3 Fuel injector #3 Fuel injector #3
43
44 IAC valve A low IAC valve A low IAC valve A low IAC valve A low IAC valve A low
45 Pressure control solenoid high Pressure control solenoid high Pressure control solenoid high Pressure control solenoid high Pressure control solenoid high Pressure control solenoid high
46 Pressure control solenoid low Pressure control solenoid low Pressure control solenoid low Pressure control solenoid low Pressure control solenoid low Pressure control solenoid low
47
48 HO2s low heater control bank 1 sensor 2 3-2 control solenoid control 3-2 control solenoid control
49 IAC valve B low IAC valve B low IAC valve B low IAC valve B low IAC valve B low
50 IAT signal IAT signal IAT signal IAT signal IAT signal IAT signal
51
52
53 Oil pressure signal
54
55 FTP signal FTP signal FTP signal FTP signal FTP signal FTP signal
56 Transaxle range switch C Transaxle range switch C Transaxle range switch C Transaxle range switch C
57 Trans fluid pressure switch B Trans fluid pressure switch B Trans fluid pressure switch B Transmission range B (4L60E) Trans fluid pressure switch B Trans fluid pressure switch B
58 Oil level switch input Oil level switch input Oil level switch input Oil level switch input Oil level switch input Oil level switch input
59 Cruise status Cruise status Cruise status Cruise status Cruise status
60 Extended travel brake switch signal
61 Generator L terminal control Generator on signal Generator control Generator turn on signal Generator L terminal control
62
63 TCC brake input TCC brake input TCC brake input TCC brake input
64
65
66 TPS signal TPS signal TPS signal TPS signal TPS signal
67
68 Trans fluid temp signal Trans fluid temp signal Trans fluid temp signal Trans fluid temp signal Trans fluid temp signal Trans fluid temp signal
69 Fuel level input Fuel level input Fuel level input Fuel level input Fuel level input Fuel level input
70 24x crank pos B+ 12 volt ref Crank/Cam pos ground
71 12 volt ref
72 Cam pos B+ 12 volt ref Crank/Cam pos B+
73 Cam pos ground Low reference Crank/Cam pos ground
74 24x crank pos ground Low reference Crank/Cam pos B+
75 AIR relay control AIR relay control AIR relay control AIR relay control
76 Starter relay coil control Starter relay coil control Starter relay coil control Starter relay coil control
77 Boost control solenoid control circuit
78 TCC PWM solenoid control TCC PWM solenoid control TCC PWM solenoid control TCC PWM solenoid control TCC PWM solenoid control TCC PWM solenoid control
79 TCC enable solenoid control TCC enable solenoid control
80 Low ref

GM 12200411 PCM pinouts S10 Vs typical V8. Use at own risk.

blue 2002 S-10 4.3 Typical V8 0411
1 ground ground
2 12v ref 12V reference
3 Fuel injector #3
4 Fuel injector #4 Fuel injector #2
5
6
7
8 5v ref
9 Knock sensor signal
10
11 KS #2 signal
12 Crank pos signal Crank position signal
13 Requested torque signal
14 UART serial data secondary
15 UART serial data tertiary
16
17 Trans fluid pressure switch signal B Trans fluid pressure switch signal B
18 Trans fluid pressure switch signal C Trans fluid pressure switch signal C
19 IGN+ IGN+
20 B+ B+
21 Low ref Low ref
22
23 Low ref Low ref
24
25 HO2S low bank2 sensor 1 HO2S low bank2 sensor 1
26 HO2S low bank2 sensor 2 HO2S low bank2 sensor 2
27
28 HO2S low signal bank 1 sensor 2 HO2S low signal bank 1 sensor 2
29 HO2S low signal bank 1 sensor 1 HO2S low signal bank 1 sensor 1
30 Coolant level switch signal Coolant level switch signal
31
32 Transmission range signal A Transmission range signal A
33 TCC brake switch signal TCC brake switch signal
34 Transmission range switch signal P Transmission range switch signal P
35 CPP switch signal CPP switch signal
36 Fuel injector #1 Fuel injector #1
37 Fuel injector #3 Fuel injector #6
38 Damping lift/dive signal
39
40 ground ground
41 Low ref
42
43 Fuel injector #5 Fuel injector #7
44 Fuel injector #5
45 FTP 5V ref
46 5v ref TPS 5V ref
47 MAP 5V ref
48 5v ref EGR 5V ref
49 Low ref
50
51 KS bank 1 signal
52
53 Low ref (RPO M30 only) Low reference
54 Low ref Low reference
55 EGR valve position signal
56
57 B+ B+
58 Class II serial Class II serial
59 Class II serial Class II serial
60 Low ref Low ref
61 Low ref Low ref
62
63 HO2S low ref Low ref
64
65 HO2S high signal bank 2 sensor 2
66 HO2S High signal HO2S high signal bank 2 sensor 1
67
68 HO2S high signal HO2S high signal bank 1 sensor 2
69 HO2S high signal HO2S high signal bank 1 sensor 1
70 Oil level switch
71
72 Trans range switch signal B Trans range switch signal B
73 Cam position signal Cam position signal
74 ECT signal ECT signal
75 B+(RPO M30 only) B+
76 Fuel injector #3 Fuel injector #5
77 Fuel injector #6 Fuel injector #8
78
79 3-2 shift solenoid control 3-2 shift solenoid control
80 Low ref Low ref
Red 2002 S-10 4.3 Typical V8 0411
1 Ground Ground
2 TCC PWM solenoid control TCC PWM solenoid control
3 Secondary fuel pump relay control
4
5 Delivered torque signal
6 PC solenoid high control (A) PC solenoid high control (A)
7 EGR supply voltage
8 PC solenoid low control(A) PC solenoid low control(A)
9 Primary fuel pump relay control Primary fuel pump relay control
10 Engine speed signal Engine speed signal
11 AC high pressure recirc switch signal
12
13 Cruise status Cruise status
14
15 Generator turn on signal Charge indicator control
16 4wd low signal 4wd low signal
17 AC request AC request
18
19 Axle switch signal Axle switch signal
20 VSS low VSS low
21 VSS high VSS high
22 ISS high
23 ISS low
24 TPS signal
25 IAT signal IAT signal
26 IC timing signal Coil 1 control
27 Coil 7 control
28 Coil 6 control
29 Coil 4 control
30
31 MAF signal MAF signal
32 MAP signal MAP signal
33 Recirc actuator control
34 EVAP purge control EVAP purge control
35
36 AIR pump relay
37
38
39 12V ref 12V ref
40 ground ground
41 EGR solenoid control
42 TCC solenoid control TCC solenoid control
43 AC relay control AC relay control
44
45 EVAP vent control EVAP vent control
46 SES light SES light
47 2-3 shift solenoid 2-3 shift solenoid
48 1-2 shift solenoid 1-2 shift solenoid
49 Vehicle speed signal Vehicle speed signal
50 VSS signal VSS signal
51 Trans fluid temp signal Trans fluid temp signal
52 Generator field duty cycle signal Generator field duty cycle signal
53
54 Low ref Fuel level signal(primary)
55 AC low pressure switch signal AC low pressure switch signal
56
57 Low ref Low ref
58
59
60 Low ref
61 Low ref
62 Trans range switch signal C Trans range switch signal C
63 Trans pressure switch signal A Trans pressure switch signal A
64 STP pressure signal STP pressure signal
65
66 Coil 8 control
67 Coil 2 control
68 Coil 5 control
69 Coil 3 control
70
71
72 HO2S heater low control bank 2 sensor 1 HO2S heater low control bank 2 sensor 1
73 Fuel level signal (secondary)
74 HO2S heater high control bank 2 sensor 1 HO2S heater high control bank 2 sensor 1
75
76 IAC coil B high control IAC coil B high control
77 IAC coil B low control IAC coil B low control
78 IAC coil A low control IAC coil A low control
79 IAC coil A high control IAC coil A high control
80 HO2S heater low ref Low ref
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