Engine Control Module Connector End Views. Cadillac Catera 1997

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 1997 🢒 Catera 🢒 Engine 🢒 Engine Controls - 3.0L 🢒 Engine Control Module Connector End Views

Table 1:	Camshaft Position (CMP) Sensor
Table 2:	Crankshaft Position (CKP) Sensor
Table 3:	Engine Control Module (ECM)
Table 4:	Engine Controls Power Relay K43
Table 5:	Engine Coolant Temperature (ECT) Sensor
Table 6:	Engine Oil Level Sensor
Table 7:	Evaporative (EVAP) Purge Solenoid Valve
Table 8:	Evaporative (EVAP) Tank Solenoid Valve
Table 9:	Fuel Injector #1
Table 10:	Fuel Injector #2
Table 11:	Fuel Injector #3
Table 12:	Fuel Injector #4
Table 13:	Fuel Injector #5
Table 14:	Fuel Injector #6
Table 15:	Fuel Pump
Table 16:	Fuel Pump Relay K44
Table 17:	Fuel Tank Pressure Sensor
Table 18:	Heated Oxygen Sensor (Bank 1, Position 1)
Table 19:	Heated Oxygen Sensor (Bank 2, Position 1)
Table 20:	Heated Oxygen Sensor (Bank 2, Position 2)
Table 21:	Heated Oxygen Sensor (Bank 1, Position 2)
Table 22:	Idle Air Control (IAC) Valve
Table 23:	Ignition Coil
Table 24:	Intake Air Temperature (IAT) Sensor
Table 25:	Intake Plenum Switch-Over Solenoid Valve
Table 26:	Intake Resonance Switch-Over Valve Solenoid Valve
Table 27:	Knock Sensor (Bank 1)
Table 28:	Knock Sensor (Bank 2)
Table 29:	Mass Air Flow (MAF) Sensor
Table 30:	Secondary Air Injection Pump
Table 31:	Secondary Air Injection Pump Relay K12
Table 32:	Secondary Air Injection Pump Solenoid Valve
Table 33:	Throttle Position Sensor

Camshaft Position (CMP) Sensor


Connector Part Information		ZFW 3-23
Pin	Wire Color	Circuit No.	Function
1	BLK	S11	Shield wire
2	GRY/BLK	RF381	CMP sensor signal
3	RED/GRY	RA543	Positive battery voltage

Crankshaft Position (CKP) Sensor


Connector Part Information		ZFW 3-23
Pin	Wire Color	Circuit No.	Function
1	GRY/BLK	RF78	CKP sensor signal
2	GRY/RED	RA20	Reference low signal
3	BLK	S03	Positive battery voltage

Engine Control Module (ECM)


Connector Part Information		ZFW 8-88
Pin	Wire Color	Circuit No.	Function
1	BRN/WHT	XM1	HO2S Heater Control
2	BRN/BLU	XP2	IAC Valve CLOSED Signal
3	BRN/YEL	XB17	Fuel Injector #1 Control
4	BRN/BLU	XP35	Fuel Injector #3 Control
5	BLU/BLK	XF35	Fuel Injector #5 Control
6	BLK	F6	Ground to G102
7	BRN/GRN	XU7	Intake Resonance Switch-over Solenoid Valve Control
8	BRN/BLU	XP8	MIL Control Signal
9-11	--	--	NOT USED
12	BLK/BLU	FP120	A/C Request Signal
13-14	--	--	NOT USED
15	BLK/WHT	FM430	A/C Request Input
16	BLU/RED	PA16	IAT Sensor Signal
17	BLU/GRN	PU7	MAF Sensor Signal`
18	BRN/BLU	XP18	HO2S Signal
19	BRN/BLU	XP19	HO2S Signal
20	GRY/RED	RA20	CKP Sensor Ground
21	BRN/GRN	XU21	Torque Control Input
22-25	--	--	NOT USED
26	RED/YEL	AB26	Battery Positive Voltage
27	BRN/GRY	XR46	Fuel Injector Relay Control
28	BLK	F28	Ground to G102
29	BRN/RED	XA29	IAC Valve OPEN Signal
30	BRN/WHT	XM30	HO2S Heater Control
31	BRN/GRN	XU16	Fuel Injector #2 Control
32	BRN/RED	XA34	Fuel Injector #4 Control
33	BRN/PPL	XY33	Fuel Injector #6 Control
34	BLK	F34	Ground to G102
35	BRN/GRN	XU35	Intake Plenum Switch-over Solenoid Valve Control
36	BRN/PPL	XY360	A/C Compressor Relay Control
37	PPL	Y370	Secondary Air Injection Pump Control
38	GRY/BLK	RF381	CMP Sensor Signal
39	BLU	P390	MIL Input Signal
40	BRN/WHT	XM40	KS Bank 2 Signal
41-43	--	--	NOT USED
44	BRN/BLU	XP53	TP Sensor Signal
45	BRN/GRN	XY306	MAF Sensor Ground
46	BRN/GRN	XY46	HO2S Ground
47	--	--	NOT USED
48	GRY	R48	Desired Engine Torque Input
49	GRY/BLK	RF1	1-4 Ignition Control
50	BLK/YEL	FB20	2-5 Ignition Control
51	BLK/RED	FA21	6-3 Ignition Control
52	--	--	Not used
53	BLU/BLK	PF53	+5 V reference
54	RED/BLU GRY/RED	AP54 RA543	Positive Battery Voltage
55	BLK	F55	Ground to G101
56	BRN	X56	Ignition Positive Voltage
57-60	--	--	NOT USED
61	BRN/RED	XA61	EVAP Purge Solenoid Valve Control
62	PPL	Y67	Secondary Air Injection Pump Valve Control
63	BRN/BLU	XP3	Fuel Pump Relay Control
64	--	--	NOT USED
65	BRN/BLK	XF65	EVAP Tank Solenoid Valve Control
66-68	--	--	NOT USED
69	BLK/RED	FA69	P/N Input
70	BRN/WHT	XM70	KS Bank 1 Signal
71	BRN/GRN	XU400	KS Gound
72	BRN/YEL	XB72	Fuel Pressure Sensor Signal
73	BLU/BLK	PF73	Fuel Level Output Signal
74	BRN/BLU	XP74	ECT Sensor Signal
75	--	--	NOT USED
76	BRN/BLU	XP76	HO2S Signal
77	BRN/BLU	XP77	HO2S Signal
78	GRY/WHT	RF78	CKP Sensor Signal
79	BLU/RED	PA79	Vehicle Speed Signal
80	GRN	U80	Tachometer Output
81	--	--	NOT USED
82	BRN/YEL	XB82	TPS Signal Output
83	GRY	R83	Delivered Engine Torque Output
84-87	--	--	NOT USED
88	BRN/WHT	XM88	Serial Data

Engine Controls Power Relay K43


Connector Part Information		ZF 9-31
Pin	Wire Color	Circuit No.	Function
1	--	--	NOT USED
2	RED	A71, A73	B+ from fuse V5
3	--	--	NOT USED
4	RED	A73	B+ from fuse V5
5	--	--	NOT USED
6	BRN/GRY	XR46	Relay K43 control
7	--	--	NOT USED
8	RED/BLU	AP75	Switched B+ from relay K43
9	--	--	NOT USED

Engine Coolant Temperature (ECT) Sensor


Connector Part Information		ZFW 2-83
Pin	Wire Color	Circuit No.	Function
1	BRN/BLU	XP74	ECT sensor ground
2	BRN/GRN	XU715	Sensor ground

Engine Oil Level Sensor


Connector Part Information		ZFW 2-31
Pin	Wire Color	Circuit No.	Function
1	BLK	F120	Ground to G103
2	BRN/GRN	XU4	Low oil level signal

Evaporative (EVAP) Purge Solenoid Valve


Connector Part Information		AM 962069
Pin	Wire Color	Circuit No.	Function
1	RED/BLU	AP108	B+ from relay K43
2	BRN/RED	XA61	EVAP purge solenoid valve control

Evaporative (EVAP) Tank Solenoid Valve


Connector Part Information		AM 962069
Pin	Wire Color	Circuit No.	Function
1	RED/BLU	AP115	B+ from fuel injection relay
2	BRN/BLK	XF65	EVAP tank solenoid valve control

Fuel Injector #1


Connector Part Information		ZFW 2-44
Pin	Wire Color	Circuit No.	Function
1	RED/BLU	AP61	B+ from relay K43
2	BRN/BLK	XB17	Fuel injector #1 control

Fuel Injector #2


Connector Part Information		ZFW 2-44
Pin	Wire Color	Circuit No.	Function
1	RED/BLU	AP63	B+ from relay K43
2	BRN/PPL	XU16	Fuel injector #2 control

Fuel Injector #3


Connector Part Information		ZFW 2-44
Pin	Wire Color	Circuit No.	Function
1	RED/BLU	AP64	B+ from relay K43
2	BRN/BLU	XP35	Fuel injector #3 control

Fuel Injector #4


Connector Part Information		ZFW 2-44
Pin	Wire Color	Circuit No.	Function
1	RED/BLU	AP62	B+ from relay K43
2	BRN/RED	XA34	Fuel injector #4 control

Fuel Injector #5


Connector Part Information		ZFW 2-44
Pin	Wire Color	Circuit No.	Function
1	RED/BLU	AP65	B+ from relay K43
2	BRN/RED	XF15	Fuel injector #5 control

Fuel Injector #6


Connector Part Information		ZFW 2-44
Pin	Wire Color	Circuit No.	Function
1	RED/BLU	AP66	B+ from relay K43
2	BRN/GRN	XY33	Fuel injector #6 control

Fuel Pump


Connector Part Information		ZFW 5-3
Pin	Wire Color	Circuit No.	Function
A	RED/BLU	AP10	B+ from fuse #18
B	BLK	F224	Ground to G103
C	BLK	F30	Ground to G400
D	BLU/BLK	PF11	Low fuel level signal

Fuel Pump Relay K44


Connector Part Information		ZF 9-31
Pin	Wire Color	Circuit No.	Function
1	--	--	NOT USED
2	RED	A72	B+ from fuse V5
3	--	--	NOT USED
4	RED/BLU	AP76	B+ from relay K43
5	--	--	NOT USED
6	BRN/BLU	XR3	Relay control signal
7	--	--	NOT USED
8	RED/BLU	AP77	B+ feed to fuse #18
9	--	--	NOT USED

Fuel Tank Pressure Sensor


Connector Part Information		ZFW 3-20
Pin	Wire Color	Circuit No.	Function
1	BLU/BLK	PF1	5V reference
2	BRN/GRN	XU1	Sensor ground
3	BRN/YEL	XB1	Fuel pressure sensor signal

Heated Oxygen Sensor (Bank 1, Position 1)


Connector Part Information		ZFW 4-2
Pin	Wire Color	Circuit No.	Function
1	RED/BLU	AP122	B+ from fuse #39
2	BRN/WHT	XM301	HO2S heater control
3	BRN/BLU	XU462	HO2S ground
4	BRN/BLU	XP19	HO2S signal

Heated Oxygen Sensor (Bank 2, Position 1)


Connector Part Information		ZFW 4-2
Pin	Wire Color	Circuit No.	Function
1	RED/BLU	AP124	B+ from fuse #39
2	BRN/WHT	XM302	HO2S heater control
3	BRN/GRN	XU464	HO2S ground
4	BRN/BLU	XP18	HO2S signal

Heated Oxygen Sensor (Bank 2, Position 2)


Connector Part Information		ZFW 4-2
Pin	Wire Color	Circuit No.	Function
1	RED/BLU	AP123	B+ from fuse #39
2	BRN/WHT	XM122	HO2S heater control
3	BRN/GRN	XU463	HO2S ground
4	BRN/BLU	XP76	HO2S signal

Heated Oxygen Sensor (Bank 1, Position 2)


Connector Part Information		ZFW 4-2
Pin	Wire Color	Circuit No.	Function
1	RED/BLU	AP121	B+ from fuse #39
2	BRN/WHT	XM111	HO2S heater control
3	BRN/GRN	XU461	HO2S Ground
4	BRN/BLU	XP77	HO2S signal

Idle Air Control (IAC) Valve


Connector Part Information		ZFW 3-23
Pin	Wire Color	Circuit No.	Function
1	BRN/BLU	XP2	Valve closed signal control
2	RED/BLU	AP101	Switched positive battery voltage
3	BRN/RED	XA29	Valve open signal

Ignition Coil


Connector Part Information		ZFW 4-5
Pin	Wire Color	Circuit No.	Function
1	BLK/YEL	FB20	2-5 ignition control
2	BLK/RED	FA21	6-3 ignition control
3	GRY/BLK	FR1	1-4 ignition control
4	BRN	X68	B+ from ignition switch

Intake Air Temperature (IAT) Sensor


Connector Part Information		ZFW 2-40
Pin	Wire Color	Circuit No.	Function
1	BLU/RED	PA16	IAT sensor signal
2	BRN/GRN	XU714	Sensor ground

Intake Plenum Switch-Over Solenoid Valve


Connector Part Information		ZFW 2-40
Pin	Wire Color	Circuit No.	Function
1	BRN/GRN	XU35	B+ from relay K43
2	RED/BLU	AP105	Intake plenum switch-over solenoid valve control

Intake Resonance Switch-Over Valve Solenoid Valve


Connector Part Information		ZFW 2-40
Pin	Wire Color	Circuit No.	Function
1	BRN/GRN	XU7	B+ from relay K43
2	RED/BLU	AP104	Intake resonance switch-over solenoid valve control

Knock Sensor (Bank 1)


Connector Part Information		ZFW 2-83
Pin	Wire Color	Circuit No.	Function
1	BRN/WHT	XM70	KS bank 1 signal
2	BRN/BLK	XF420	KS ground

Knock Sensor (Bank 2)


Connector Part Information		ZFW 2-83
Pin	Wire Color	Circuit No.	Function
1	BRN/WHT	XM40	KS bank 2 signal
2	BRN/BLK	XF410	KS ground

Mass Air Flow (MAF) Sensor


Connector Part Information		ZFW 4-7
Pin	Wire Color	Circuit No.	Function
1	BLK	F81	Ground to G102
2	BRN/GRN	XU306	Sensor ground
3	RED/BLU	AP84	B+ from relay K43
4	BLU/GRN	PU7	MAF sensor signal

Secondary Air Injection Pump


Connector Part Information		ZFW 2-24
Pin	Wire Color	Circuit No.	Function
A	PPL	Y110	Pump ON signal
B	BLK	F110	Ground to G103

Secondary Air Injection Pump Relay K12


Connector Part Information		ZF 9-32
Pin	Wire Color	Circuit No.	Function
1	--	--	NOT USED
2	PPL	Y110	Pump ON signal
3	--	--	NOT USED
4	RED/BLU	AP200, AP900	B+ from relay K43
5	BLK	F200	Ground to G103
6	BRN/GRY	XR200	Relay control signal
7	--	--	NOT USED
8	RED	AP730	B+ from fuse #49
9	--	--	NOT USED

Secondary Air Injection Pump Solenoid Valve


Connector Part Information		ZFW 2-35
Pin	Wire Color	Circuit No.	Function
1	RED/BLU	AP900	B+ from relay K43
2	BRN/YEL	XB900	Solenoid valve control signal

Throttle Position Sensor


Connector Part Information		ZFW3-23
Pin	Wire Color	Circuit No.	Function
1	BRN/GRN	XU305	Sensor ground
2	BLU/BLK	PF533	5V reference
3	BRN/BLU	XP53	TP sensor signal