lemon-mirror:
Home >> Buick >> 1997 >> Park Avenue Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Tests W/Codes 3.8L >> Connector Identification

Connector Identification

Fig 1: PCM Connector C1 80-Way Blue Terminal Identification
GM23346Courtesy of GENERAL MOTORS COMPANY
PCM CONNECTOR C1 80-WAY BLUE TERMINAL IDENTIFICATION

Connector Part Information Blue PCM Connector C1
Body - 12160549
TPA - 12160569
Terminals - 12084913
Shield - 12160921
Pin Wire Color Circuit No. Function Component Connector Cavity DTC(s) Affected Possible Symptoms From a Faulty Circuit
1 - - - - - -
2 - - - - - -
3 - - - - - -
4 Lt Blu/Blk 647 18X Reference ICM C P0336 Intermittent fault will cause the engine to misfire or cut-out
5 Blk 630 Camshaft Position PCM Input ICM F P0341 Intermittent fault will cause the engine to misfire or cut-out
6 Yel 400 VSS High VSS B P0502 Refer to 4T65-E Transaxle Diagnosis
7 Red/Blk 1230 TISS High Transaxle Connector S P0717 Refer to 4T65-E Transaxle Diagnosis
8 Dk Grn/Wht 465 Fuel Pump Relay Control BEC Connector 2 E7 - Cranks but will not run
9 Lt Blu/Wht 1747 IAC A High IAC C P0506 High or low idle
P0507 Stalling
10 Lt Grn/Blk 444 IAC B Low IAC B P0506 High or low idle
P0507 Stalling
11 Lt Blu/Blk 1748 IAC A Low IAC D P0506 High or low idle
P0507 Stalling
12 Lt Grn/Wht 1749 IAC B High IAC A P0506 High or low idle
P0507 Stalling
13 Dk Grn/Wht 817 4K/Mi Speed Instrument Panel* None Speedometer inoperative
SMCC II Cruise Control Module K Cruise Control inoperative
Traction Control Desired Torque
(With Traction Control System RPO NW9 Only)
Traction Control disabled
Traction Off lamp illuminated
15 - - - - - -
16 Gry 416 5 Volt Reference A TP Sensor C
MAP Sensor C
Engine Oil Pressure Sensor B
EGR Valve D
P1635
P0101
P0122
P1107
P1122
P1406
Late shifting
Incorrect/rough idle
Stalling
Surging
17 Gry/Blk 474 5 Volt Reference B A/C Refrigerant Pressure Sensor C P1639
P0530
A/C compressor inoperative
18 - - - - - -
19 Pnk 1020 Ignition Positive Voltage (unlock, crank, run) Refer to Fuse Block Details in Electrical Diagnosis - No MIL
Cranks but will not run
20 Orn 40 Battery Positive Voltage Refer to Fuse Block Details in Electrical Diagnosis - No MIL
Cranks but will not run
21 Blk/Wht 51 PCM Ground Engine block below cyl #2 spark plug - Intermittent symptoms
22 Brn 418 TCC PWM Solenoid Control Transaxle Connector C P1860 Refer to 4T65-E Transaxle Diagnosis
23 Gry 1724 Boost Control Solenoid Control
(VIN 1 Only)
Boost Control Solenoid B P1645 Rough idle
P1257 Reduced performance
24 - - - - - -
25 Brn/Wht 419 MIL Control Instrument Panel* P1641 No MIL
MIL ON steady
26 - - - - - -
27 Brn 437 Fuel Pump Speed Control
(VIN 1 Only)
Fuel Pump Control Module 7 P1643 Noisy fuel pump
Lean condition during high load conditions
Cranks but will not run
28 - - - - - -
29 Gry 435 EGR Control EGR Valve A P0300 Incorrect/rough idle
P1406 Lack of power
P1635 Chuggle
30 Dk Grn/Wht 428 EVAP Purge Valve Control EVAP Purge Solenoid A P1655
P0441
P1441
Rough idle
31 Dk Blu/Wht 473 High Speed Fan Relay Control Series/Parallel Cooling Fan Relay 85
Cooling Fan Relay #1 85
P1652 High speed fans inoperative
High speed left fan running all the time
Incorrect idle
Possible overheating condition
32 Dk Grn 335 Low Speed Fan Relay Control Low Speed Cooling Fan Relay 86 P1651 Low speed fans inoperative
Low speed fans running all the time
Incorrect idle
Possible overheating condition
33 Tan/Blk 464 Traction Control Delivered Torque Control (With Traction Control System RPO NW9 Only) EBTCM 6 P1653 Traction Control inoperative
Traction Off lamp illuminated
34 - - - - - -
35 Dk Grn/Wht 459 A/C Compressor Control Relay Control BEC Connector 2 E6 P1654 Incorrect/rough idle
A/C compressor inoperative
36 Yel/Blk 625 Starter Enable Trans Range / Park Neutral Position Switch E - Engine will not crank
37 - - - - - -
38 - - - - - -
39 - - - - - -
40 - - - - - -
41 - - - - - -
42 - - - - - -
43 - - - - - -
44 Ppl/wht 430 3X Reference ICM D P1374 Stalls, sets DTC on restart
45 Red/Blk 453 Reference Low ICM L - Intermittent symptoms
46 Blu/Wht 1231 TISS Low Transaxle Connector S P0717 Refer to 4T65-E Transaxle Diagnosis
47 Ppl 401 VSS Low VSS / TOSS B P0502 Refer to 4T65-E Transaxle Diagnosis
48 - - - - - -
49 - - - - - -
50 - - - - - -
51 - - - - - -
52 Tan/Blk 424 Bypass ICM B P1361 Incorrect/rough idle
Lack of power
53 Wht 423 Ignition Control (IC) ICM A P1350 Incorrect/rough idle
P1361 Lack of power
54 Yel 492 MAF Signal MAF Sensor A P0101
P0102
P0103
Reduced performance
55 - - - - - -
56 Blk 452 Sensor Ground ECT Sensor A
TP Sensor A
MAP Sensor A
IAT Sensor A
A/C Refrigerant Pressure Sensor A
EGR Valve B
Transaxle Connector M
Engine Oil Pressure Sensor A
P0108
P0118
P0123
P0530
P0713
P1106
P1115
P1121
P1406
Incorrect/rough idle
Lack of power
Late/harsh shifting
Chuggle
A/C compressor inoperative
57 - - - - - -
58 Ppl 1807 Class 2 Data DLC 2 P1602
P1604
P1610
P1626
No scan tool data
59 Ppl 1807 Class 2 Data DLC 2 P1602
P1604
P1610
P1626
No scan tool data
60 Blk/Wht 51 PCM Ground Engine block below cyl #2 spark plug - Intermittent symptoms
61 - - - - - -
62 - - - - - -
63 - - - - - -
64 - - - - - -
65 Pnk 439 Ignition Positive Voltage (crank, run) Refer to Fuse Block Details in Electrical Diagnosis - No MIL
Cranks but will not run
66 Ppl 1986 EVAP Vacuum Switch Input EVAP Purge Vacuum Switch B P0441
P1441
-
67 Ppl 420 TCC Brake Switch TCC Brake Switch
Brake Transaxle Shift Interlock
P0719
P0724
Refer to 4T65-E Transaxle Diagnosis
68 Pnk 639 EGR Ignition Filter IGNFD Fuse
EGR Valve E
EVAP Purge Valve A
EVAP Vacuum Switch A
Transaxle E
P1406
P1655
Fuse blown
EGR Pintle Position error on scan tool varies excessively
69 Blk/Wht 771 Transaxle Range Switch A PNP Switch 4-way conn. D P0705 High idle
70 Brn 1174 Engine Oil Level Switch Engine Oil Level Switch A - Check Engine Oil message on IPC
71 - - - - - -
72 Wht 776 Transaxle Range Switch P PNP Switch 4-way conn. A P0705 High idle
73 - - - - - -
74 Tan 848 Extended Travel Brake Switch Brake Switch C - Refer to 4T65-E Transaxle Diagnosis
75 Wht 85 Cruise Engaged Status SMCC II Cruise Control Module J P1554 -
76 - - - - - -
77 - - - - - -
78 - - - - - -
79 - - - - - -
80 - - - - - -
Fig 2: PCM Connector C1 80-Way Clear Terminal Identification
GM23346
PCM CONNECTOR C1 80-WAY CLEAR TERMINAL IDENTIFICATION

Connector Part Information Clear PCM Connector C2
Body - 12160549
TPA - 1216056A
Terminals - 12084913
Shield - 12160921
Pin Wire Color Circuit No. Function Component Connector Cavity DTC(s) Affected Possible Symptoms From a Faulty Circuit
1 - - - - - -
2 - - - - - -
3 - - - - - -
4 - - - - - -
5 - - - - - -
6 - - - - - -
7 - - - - - -
8 - - - - - -
9 Wht 121 Tachometer Control Instrument Panel* P1674 Tachometer Inoperative
10 - - - - - -
11 Lt Grn 1222 Shift Solenoid A Control Transaxle Connector A P0753 Refer to 4T65-E Transaxle Diagnosis
12 Lt Grn 432 Manifold Absolute Pressure Sensor MAP Sensor B P0107
P0108
P1106
P1107
Default Manifold Absolute Pressure and BARO
Noisy fuel pump on VIN 1
13 Dk Grn 83 Cruise Control Inhibit Control SMCC II Cruise Control Module H P1662 Cruise Control inoperative
14 - - - - - -
15 - - - - - -
16 - - - - - -
17 Yel/Blk 1223 Shift Solenoid B Control Transaxle Connector B P0758 Refer to 4T65-E Transaxle Diagnosis
18 - - - - - -
19 - - - - - -
20 LtBlu/Wht 1229 Pressure Control Solenoid Low Transaxle Connector D P0748 Refer to 4T65-E Transaxle Diagnosis
21 Blk/Wht 51 PCM Ground Engine block below cyl #2 spark plug - Intermittent Symptoms
22 Pnk/Blk 1746 Injector Cylinder 3 Injector #3 B P1200
P0300
Incorrect/rough idle
Misfiring
Flashing MIL
23 Yel 772 Transaxle Range Switch B TransaxleRange Switch 4-way conn. B P0705 High idle
24 Lt Grn/Blk 1745 Injector Cylinder 2 Injector #2 B P1200
P0300
Incorrect/rough idle
Misfiring
Flashing MIL
25 Gry 773 Transaxle Range Switch C Transaxle Range Switch 4-way conn. C P0705 High Idle
26 Blk 1744 Injector Cylinder 1 Injector #1 B P1200
P0300
Incorrect/rough idle
Misfiring
Flashing MIL
27 Pnk 1224 TFP Switch A Transaxle Connector N P1810 Refer to 4T65-E Transaxle Diagnosis
28 Yel/Blk 846 Injector Cylinder 6 Injector #6 B P1200
P0300
Incorrect/rough idle
Misfiring
Flashing MIL
29 DkBlu 1225 TFP Switch B Transaxle ConnectorR P1810 Refer to 4T65-E Transaxle Diagnosis
30 Blk/Wht 845 Injector Cylinder 5 Injector #5 B P1200
P0300
Incorrect/rough idle
Misfiring
Flashing MIL
31 Red 1226 TFP Switch C Transaxle ConnectorP P1810 Refer to 4T65-E Transaxle Diagnosis
32 Lt Blu/Blk 844 Injector Cylinder 4 Injector #4 B P1200
P0300
Incorrect/rough idle
Misfiring
Flashing MIL
33 - - - - - -
34 - - - - - -
35 Red 225 Generator Control Generator B P0560 Charging system inoperative
36 - - - - - -
37 - - - - - -
38 - - - - - -
39 - - - - - -
40 - - - - - -
41 - - - - - -
42 - - - - - -
43 - - - - - -
44 - - - - - -
45 Ppl 412 HO2S 1 Signal HO2S 1 B P0131
P0132
P0134
Open loop fuel control
46 Tan 413 HO2S 1 Low HO2S 1 A P0134 Open loop fuel control
47 Ppl/Wht 1668 HO2S 2 Signal HO2S 2 B P0137
P0138
P0140
-
48 Tan/Wht 1669 HO2S 2 Low HO2S 2 A P0140 -
49 - - - - - -
50 - - - - - -
51 Tan 472 Intake Air Temperature Sensor IAT Sensor B P0112
P0113
P1111
P1112
-
52 Yel 410 Engine Coolant Temperature Sensor ECT Sensor B P0118
P1115
P0118
P1114,
Hard start
Incorrect/rough idle
Cooling fans commanded ON
53 Dk Blu 417 Throttle Position Sensor TP Sensor B P0122
P0123
P1121
P1122
High idle
Late/harsh shifting
TPS default
54 - - - - - -
55 - - - - - -
56 - - - - - -
57 - - - - - -
58 - - - - - -
59 - - - - - -
60 Blk/Wht 451 PCM Ground Engine block below cyl #2 spark plug - Intermittent symptoms
61 Red/Blk 1228 Pressure Control Solenoid High Transaxle Connector C P0748 Refer to 4T65-E Transaxle Diagnosis
62 Gry 23 Generator Feedback Generator C - -
63 Dk Blu 496 Bank 1 Knock Sensor Bank 1 Knock Sensor P0327 Default knock retard commanded
64 Lt Blu 1876 Bank 2 Knock Sensor Bank 2 Knock Sensor P0327 Default knock retard commanded
65 Brn 1456 EGR Pintle Position EGR Valve C P1406 Incorrect/rough idle
Misfiring
Chuggle
66 - - - - - -
67 - - - - - -
68 - - - - - -
69 - - - - - -
70 - - - - - -
71 Yel/Blk 1227 Transaxle Fluid Temperature Sensor Transaxle Connector L P0712
P0713
Refer to 4T65-E Transaxle Diagnosis
72 Tan/Wht 332 Engine Oil Pressure Sensor Engine Oil Pressure Sensor C - Incorrect engine oil pressure displayed on IPC
73 Red/Blk 380 A/C Refrigerant Pressure Sensor A/C Refrigerant Pressure Sensor C P0530 A/C compressor inoperative
74 - - - - - -
75 Tan 657 TCC Release Switch Transaxle Connector U P1887 Refer to 4T65-E Transaxle Diagnosis
76 - - - - - -
77 - - - - - -
78 - - - - - -
79 - - - - - -
80 - - - - - -