Document ID: 5243867

X50A Fuse Block - Underhood X3

Connector Part Information Harness Type:Engine OEM Connector:13405622 Service Connector:19332383 Description:60-Way F 1.5 CTS, 2.8 CTS, 6.3 MCP, 9.5 YPT Series(GY) Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool I 13579915 J-35616-40 (BU) J-38125-556 II 13582285 J-35616-35 (VT) J-38125-557 III 19332365 J-35616-14 (GN) J-38125-560A IV 19332366 J-35616-35 (VT) J-38125-212 X50A Fuse Block - Underhood X3 Pin Size Color Circuit Function Terminal Type ID Option 1 - 2 — — — Not Occupied — — 3 0.5 0.5 0.5 RD/WH RD/WH RD/WH 140 140 140 Battery Positive Voltage Battery Positive Voltage Battery Positive Voltage II II II — LTG/LYX LYX 4 — — — Not Occupied — — 5 1 RD/VT 340 Battery Positive Voltage IV (MNK/MNH/MHG)-KL9 6 - 7 — — — Not Occupied — — 8 0.5 VT/GN 439 Run/Crank Ignition 1 Voltage II MM1+(LYX/LTG) 9 — — — Not Occupied — — 10 0.5 0.5 YE/BU YE/BU 5126 5126 Coolant Pump Control Coolant Pump Control II IV (LYX/LTG)+(MAH/MBC/MCX/EPH) (LYX/LTG)+(MAH/MBC/MCX/EPH) 11 — — — Not Occupied — — 12 0.5 0.5 0.5 GN/VT GN/VT GN/VT 4621 4621 4621 Engine Control Module LIN Bus 1 Engine Control Module LIN Bus 1 Engine Control Module LIN Bus 1 III III III — LYX+(VTI/KL9)-M3U LYX-KL9-M3U-VTI 13 - 16 — — — Not Occupied — — 17 0.5 0.5 0.5 0.5 GY/BK GY GY/BK GY 3865 5127 3865 5127 Auxiliary Heater Coolant Pump Relay Control Turbocharger Coolant Pump Relay Control Auxiliary Heater Coolant Pump Relay Control Turbocharger Coolant Pump Relay Control III III III III — (LTG/LYX)+(MAH/MBC/MCX) LH7 LYX+(MAH/MBC/MCX) 18 0.5 0.5 YE YE 5991 5991 Powertrain Relay Coil Control Powertrain Relay Coil Control III III — LYX-IVR 19 — — — Not Occupied — — 20 0.5 0.5 YE/VT YE/VT 6030 6030 Brake Vacuum Sensor Signal Brake Vacuum Sensor Signal III III — KL9+LYX 21 0.5 0.5 GN GN 380 380 Air Conditioning Refrigerant Pressure Sensor Signal Air Conditioning Refrigerant Pressure Sensor Signal III III — LYX 22 0.5 0.5 0.5 0.5 BK/YE BK/GN BK/GN BK/GN 548 580 580 580 Engine Control Sensors Low Reference 1 Engine Control Sensors Low Reference 2 Engine Control Sensors Low Reference 2 Engine Control Sensors Low Reference 2 III III III III — (KL9+LTG)/(KL9+LYX) KL9+LTG KL9+LYX 23 0.5 0.5 0.5 0.5 WH/RD YE/RD YE/RD YE/RD 480 6031 6031 6031 Engine Control Vehicle Sensors 5 Volt Reference 1 Brake Vacuum Sensor 5V Reference Brake Vacuum Sensor 5V Reference Brake Vacuum Sensor 5V Reference III III III III — (KL9+LH7)/(KL9+LTG)/(KL9+LYX) KL9+LTG KL9+LYX 24 — — — Not Occupied — — 25 0.5 0.5 0.5 WH/GY WH/GY WH/GY 459 459 459 Air Conditioning Compressor Clutch Relay Control Air Conditioning Compressor Clutch Relay Control Air Conditioning Compressor Clutch Relay Control III III III — LTG LYX 26 - 30 — — — Not Occupied — — 31 2 2 2 2 VT/BU VT/BU VT/BU VT/BU 5290 5290 5290 5290 Powertrain Main Relay Fused Supply Voltage 1 Powertrain Main Relay Fused Supply Voltage 1 Powertrain Main Relay Fused Supply Voltage 1 Powertrain Main Relay Fused Supply Voltage 1 I I I I — (LTG/LYX) LTG LYX 32 — — — Not Occupied — — 33 2.5 2.5 YE/GN YE/GN 4358 4358 Starter Pinion Solenoid Voltage Starter Pinion Solenoid Voltage I I (KL9+LYX+MM1) KL9+LTG 34 2.5 2.5 2.5 2.5 YE YE YE YE 6 6 6 6 Starter Solenoid Crank Ignition Voltage Starter Solenoid Crank Ignition Voltage Starter Solenoid Crank Ignition Voltage Starter Solenoid Crank Ignition Voltage I I I I — (KL9+LYX+MM1) LTG MM1+LYX-KL9 35 0.5 0.5 BK/GY WH/YE 626 3202 Engine Control Vehicle Sensors Low Reference 1 Throttle Inlet Absolute Pressure Sensor Low Reference III III — LYX 36 - 37 — — — Not Occupied — — 38 0.5 0.5 0.5 BU/GY BU/GY BU/GY 636 636 636 Ambient Air Temperature Sensor Signal Ambient Air Temperature Sensor Signal Ambient Air Temperature Sensor Signal III III III — LTG LYX 39 0.5 0.5 0.5 0.5 BU/RD BN/RD BN/RD BN/RD 460 2700 2700 2700 Engine Control Sensors 5 Volt Reference 1 Air Conditioning Pressure Sensor 5V Reference Air Conditioning Pressure Sensor 5V Reference Air Conditioning Pressure Sensor 5V Reference III III III III — LH7/(E80+LTG)/(E80+LYX) LTG LYX 40 — — — Not Occupied — — 41 0.5 0.5 BK BK 450 450 Ground Ground III III (KL9+LYX) KL9+LTG 42 0.5 0.5 0.5 BK VT/BU BK 450 5293 450 Ground Powertrain Main Relay Fused Supply Voltage 4 Ground III III III — (KL9+(LYX/LH7)/(KL9+LTG) (MM1+(LYX-KL9)/(LYX+NUG) 43 0.5 0.5 YE/WH YE/WH 3200 3200 Throttle Inlet Absolute Pressure Sensor Signal Throttle Inlet Absolute Pressure Sensor Signal III III — LYX 44 0.5 0.5 WH/RD WH/RD 480 3201 Engine Control Vehicle Sensors 5 Volt Reference 1 Throttle Inlet Absolute Pressure Sensor 5V Reference III III — LYX 45 0.5 0.5 0.5 BK/GN BK/GN BK/GN 580 580 580 Engine Control Sensors Low Reference 2 Engine Control Sensors Low Reference 2 Engine Control Sensors Low Reference 2 III III III — LTG LYX 46 — — — Not Occupied — — 47 0.5 0.5 0.5 BK/GN BK/GN BK/GN 580 580 580 Engine Control Sensors Low Reference 2 Engine Control Sensors Low Reference 2 Engine Control Sensors Low Reference 2 III III III — LTG LYX 48 — — — Not Occupied — — 49 0.5 0.5 YE/BK YE/BK 625 625 Starter Enable Relay Control Starter Enable Relay Control III III — KL9+LTG 50 0.5 0.5 0.5 0.5 0.5 0.5 YE/VT YE/VT YE/VT YE/VT YE/VT YE/BK 4325 4325 4325 4325 4325 625 Starter Pinion Solenoid Actuator Relay Control Starter Pinion Solenoid Actuator Relay Control Starter Pinion Solenoid Actuator Relay Control Starter Pinion Solenoid Actuator Relay Control Starter Pinion Solenoid Actuator Relay Control Starter Enable Relay Control III III III III III III — (KL9+LYX-NUG)/(KL9+LTG)/(KL9+LH7)/(LYX+NUG) (LYX+NUG) KL9+LTG KL9+LYX-NUG LYX+MM1-KL9-NUG 51 0.5 0.5 0.5 0.5 VT VT VT VT 5292 5292 5292 5292 Powertrain Main Relay Fused Supply Voltage 3 Powertrain Main Relay Fused Supply Voltage 3 Powertrain Main Relay Fused Supply Voltage 3 Powertrain Main Relay Fused Supply Voltage 3 II II II II — LTG LYX LYX/LTG 52 1 1 VT/BU VT/BU 5291 5291 Powertrain Main Relay Fused Supply Voltage 2 Powertrain Main Relay Fused Supply Voltage 2 IV II (LYX/LTG) (LYX/LTG) 53 1 1 VT VT 5294 5294 Powertrain Main Relay Fused Supply Voltage 5 Powertrain Main Relay Fused Supply Voltage 5 IV II (LYX/LTG) (LYX/LTG) 54 0.5 VT/BU 5293 Powertrain Main Relay Fused Supply Voltage 4 II — 55 - 58 — — — Not Occupied — — 59 0.75 BN/GN 59 Air Conditioning Compressor Clutch Control IV — 60 — — — Not Occupied — —

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool
I	13579915	J-35616-40 (BU)	J-38125-556
II	13582285	J-35616-35 (VT)	J-38125-557
III	19332365	J-35616-14 (GN)	J-38125-560A
IV	19332366	J-35616-35 (VT)	J-38125-212

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1 - 2	—	—	—	Not Occupied	—	—
3	0.5 0.5 0.5	RD/WH RD/WH RD/WH	140 140 140	Battery Positive Voltage Battery Positive Voltage Battery Positive Voltage	II II II	— LTG/LYX LYX
4	—	—	—	Not Occupied	—	—
5	1	RD/VT	340	Battery Positive Voltage	IV	(MNK/MNH/MHG)-KL9
6 - 7	—	—	—	Not Occupied	—	—
8	0.5	VT/GN	439	Run/Crank Ignition 1 Voltage	II	MM1+(LYX/LTG)
9	—	—	—	Not Occupied	—	—
10	0.5 0.5	YE/BU YE/BU	5126 5126	Coolant Pump Control Coolant Pump Control	II IV	(LYX/LTG)+(MAH/MBC/MCX/EPH) (LYX/LTG)+(MAH/MBC/MCX/EPH)
11	—	—	—	Not Occupied	—	—
12	0.5 0.5 0.5	GN/VT GN/VT GN/VT	4621 4621 4621	Engine Control Module LIN Bus 1 Engine Control Module LIN Bus 1 Engine Control Module LIN Bus 1	III III III	— LYX+(VTI/KL9)-M3U LYX-KL9-M3U-VTI
13 - 16	—	—	—	Not Occupied	—	—
17	0.5 0.5 0.5 0.5	GY/BK GY GY/BK GY	3865 5127 3865 5127	Auxiliary Heater Coolant Pump Relay Control Turbocharger Coolant Pump Relay Control Auxiliary Heater Coolant Pump Relay Control Turbocharger Coolant Pump Relay Control	III III III III	— (LTG/LYX)+(MAH/MBC/MCX) LH7 LYX+(MAH/MBC/MCX)
18	0.5 0.5	YE YE	5991 5991	Powertrain Relay Coil Control Powertrain Relay Coil Control	III III	— LYX-IVR
19	—	—	—	Not Occupied	—	—
20	0.5 0.5	YE/VT YE/VT	6030 6030	Brake Vacuum Sensor Signal Brake Vacuum Sensor Signal	III III	— KL9+LYX
21	0.5 0.5	GN GN	380 380	Air Conditioning Refrigerant Pressure Sensor Signal Air Conditioning Refrigerant Pressure Sensor Signal	III III	— LYX
22	0.5 0.5 0.5 0.5	BK/YE BK/GN BK/GN BK/GN	548 580 580 580	Engine Control Sensors Low Reference 1 Engine Control Sensors Low Reference 2 Engine Control Sensors Low Reference 2 Engine Control Sensors Low Reference 2	III III III III	— (KL9+LTG)/(KL9+LYX) KL9+LTG KL9+LYX
23	0.5 0.5 0.5 0.5	WH/RD YE/RD YE/RD YE/RD	480 6031 6031 6031	Engine Control Vehicle Sensors 5 Volt Reference 1 Brake Vacuum Sensor 5V Reference Brake Vacuum Sensor 5V Reference Brake Vacuum Sensor 5V Reference	III III III III	— (KL9+LH7)/(KL9+LTG)/(KL9+LYX) KL9+LTG KL9+LYX
24	—	—	—	Not Occupied	—	—
25	0.5 0.5 0.5	WH/GY WH/GY WH/GY	459 459 459	Air Conditioning Compressor Clutch Relay Control Air Conditioning Compressor Clutch Relay Control Air Conditioning Compressor Clutch Relay Control	III III III	— LTG LYX
26 - 30	—	—	—	Not Occupied	—	—
31	2 2 2 2	VT/BU VT/BU VT/BU VT/BU	5290 5290 5290 5290	Powertrain Main Relay Fused Supply Voltage 1 Powertrain Main Relay Fused Supply Voltage 1 Powertrain Main Relay Fused Supply Voltage 1 Powertrain Main Relay Fused Supply Voltage 1	I I I I	— (LTG/LYX) LTG LYX
32	—	—	—	Not Occupied	—	—
33	2.5 2.5	YE/GN YE/GN	4358 4358	Starter Pinion Solenoid Voltage Starter Pinion Solenoid Voltage	I I	(KL9+LYX+MM1) KL9+LTG
34	2.5 2.5 2.5 2.5	YE YE YE YE	6 6 6 6	Starter Solenoid Crank Ignition Voltage Starter Solenoid Crank Ignition Voltage Starter Solenoid Crank Ignition Voltage Starter Solenoid Crank Ignition Voltage	I I I I	— (KL9+LYX+MM1) LTG MM1+LYX-KL9
35	0.5 0.5	BK/GY WH/YE	626 3202	Engine Control Vehicle Sensors Low Reference 1 Throttle Inlet Absolute Pressure Sensor Low Reference	III III	— LYX
36 - 37	—	—	—	Not Occupied	—	—
38	0.5 0.5 0.5	BU/GY BU/GY BU/GY	636 636 636	Ambient Air Temperature Sensor Signal Ambient Air Temperature Sensor Signal Ambient Air Temperature Sensor Signal	III III III	— LTG LYX
39	0.5 0.5 0.5 0.5	BU/RD BN/RD BN/RD BN/RD	460 2700 2700 2700	Engine Control Sensors 5 Volt Reference 1 Air Conditioning Pressure Sensor 5V Reference Air Conditioning Pressure Sensor 5V Reference Air Conditioning Pressure Sensor 5V Reference	III III III III	— LH7/(E80+LTG)/(E80+LYX) LTG LYX
40	—	—	—	Not Occupied	—	—
41	0.5 0.5	BK BK	450 450	Ground Ground	III III	(KL9+LYX) KL9+LTG
42	0.5 0.5 0.5	BK VT/BU BK	450 5293 450	Ground Powertrain Main Relay Fused Supply Voltage 4 Ground	III III III	— (KL9+(LYX/LH7)/(KL9+LTG) (MM1+(LYX-KL9)/(LYX+NUG)
43	0.5 0.5	YE/WH YE/WH	3200 3200	Throttle Inlet Absolute Pressure Sensor Signal Throttle Inlet Absolute Pressure Sensor Signal	III III	— LYX
44	0.5 0.5	WH/RD WH/RD	480 3201	Engine Control Vehicle Sensors 5 Volt Reference 1 Throttle Inlet Absolute Pressure Sensor 5V Reference	III III	— LYX
45	0.5 0.5 0.5	BK/GN BK/GN BK/GN	580 580 580	Engine Control Sensors Low Reference 2 Engine Control Sensors Low Reference 2 Engine Control Sensors Low Reference 2	III III III	— LTG LYX
46	—	—	—	Not Occupied	—	—
47	0.5 0.5 0.5	BK/GN BK/GN BK/GN	580 580 580	Engine Control Sensors Low Reference 2 Engine Control Sensors Low Reference 2 Engine Control Sensors Low Reference 2	III III III	— LTG LYX
48	—	—	—	Not Occupied	—	—
49	0.5 0.5	YE/BK YE/BK	625 625	Starter Enable Relay Control Starter Enable Relay Control	III III	— KL9+LTG
50	0.5 0.5 0.5 0.5 0.5 0.5	YE/VT YE/VT YE/VT YE/VT YE/VT YE/BK	4325 4325 4325 4325 4325 625	Starter Pinion Solenoid Actuator Relay Control Starter Pinion Solenoid Actuator Relay Control Starter Pinion Solenoid Actuator Relay Control Starter Pinion Solenoid Actuator Relay Control Starter Pinion Solenoid Actuator Relay Control Starter Enable Relay Control	III III III III III III	— (KL9+LYX-NUG)/(KL9+LTG)/(KL9+LH7)/(LYX+NUG) (LYX+NUG) KL9+LTG KL9+LYX-NUG LYX+MM1-KL9-NUG
51	0.5 0.5 0.5 0.5	VT VT VT VT	5292 5292 5292 5292	Powertrain Main Relay Fused Supply Voltage 3 Powertrain Main Relay Fused Supply Voltage 3 Powertrain Main Relay Fused Supply Voltage 3 Powertrain Main Relay Fused Supply Voltage 3	II II II II	— LTG LYX LYX/LTG
52	1 1	VT/BU VT/BU	5291 5291	Powertrain Main Relay Fused Supply Voltage 2 Powertrain Main Relay Fused Supply Voltage 2	IV II	(LYX/LTG) (LYX/LTG)
53	1 1	VT VT	5294 5294	Powertrain Main Relay Fused Supply Voltage 5 Powertrain Main Relay Fused Supply Voltage 5	IV II	(LYX/LTG) (LYX/LTG)
54	0.5	VT/BU	5293	Powertrain Main Relay Fused Supply Voltage 4	II	—
55 - 58	—	—	—	Not Occupied	—	—
59	0.75	BN/GN	59	Air Conditioning Compressor Clutch Control	IV	—
60	—	—	—	Not Occupied	—	—


Connector Part Information Harness Type:Engine OEM Connector:13405622 Service Connector:19332383 Description:60-Way F 1.5 CTS, 2.8 CTS, 6.3 MCP, 9.5 YPT Series(GY)