X50A Fuse Block - Underhood Top View

Object ID: 5845395
Usage Table

No.

Device Label Name

Device Assigned Name

Rating

Description

Fuses

1

START_SOL

F1UA Fuse

30A

  • KR27 Starter Relay

2

START_SOL_2

F2UA Fuse

40A

  • KR27C Starter Pinion Solenoid Actuator Relay (KL9)

3

LAMBDA_1

F3UA Fuse

15A

  • B52A Heated Oxygen Sensor 1 (LTG)
  • B52A Heated Oxygen Sensor 1 (LYX)
  • K173 Transmission Range Control Module (EPH)
  • KR27 Starter Relay
  • Q12 Evaporative Emission Purge Solenoid Valve (LTG)
  • Q12 Evaporative Emission Purge Solenoid Valve (LYX)
  • Q40 Turbocharger Bypass Solenoid Valve (LTG)
  • Q40 Turbocharger Bypass Solenoid Valve (LYX)
  • Q42 Turbocharger Wastegate Solenoid Valve (LTG)
  • Q42 Turbocharger Wastegate Solenoid Valve (LYX)
  • Q44 Engine Oil Pressure Control Solenoid Valve (LTG)
  • Q44 Engine Oil Pressure Control Solenoid Valve (LYX)
  • Q84C Camshaft Position Actuator Park Lock Solenoid Valve - Intake (LYX)

4

ECM

F4UA Fuse

25A

  • K20 Engine Control Module

5

FLX FUEL

F5UA Fuse

10A

  • KR31 Coolant Pump Relay - Auxiliary
  • M96 Active Grille Air Shutter Actuator (VTI)

6

TCM

F6UA Fuse

20A

  • Q8 Control Solenoid Valve Assembly (MHG/MNH/MNK)

7

SPARE

F7UA Fuse

10A

  • Not Used

8

ECM

F8UA Fuse

10A

  • K20 Engine Control Module

9

AC_CLUTCH

F9UA Fuse

10A

  • KR29 A/C Compressor Clutch Relay

10

CAN_VENT

F10UA Fuse

10A

  • Q13 Evaporative Emission Vent Solenoid Valve (LTG/LYX)

11

FUEL_SYS

F11UA Fuse

20A

  • K111 Fuel Pump Driver Control Module

12

FSEAT_HT2

F12UA Fuse

15A

  • K29F Seat Heating Control Module - Front (KA1)

13

AFTB_PMP

F13UA Fuse

7.5A

  • KR31 Coolant Pump Relay - Auxiliary

14

SPARE

F14UA Fuse

5A

  • Not Used

15

LAMBDA_2

F15UA Fuse

10A/15A (LH7)

  • B52B Heated Oxygen Sensor 2 (LTG/LYX)
  • B75C Multifunction Intake Air Sensor (LTG/LYX)
  • B280 Automatic Transmission Accumulator Solenoid Valve (LTG/LYX)
  • K20 Engine Control Module (LTG/LYX)

16

ODD_BANK

F16UA Fuse

15A

  • K20 Engine Control Module (LTG/LYX)
  • T8A Ignition Coil 1 (LTG/LYX)
  • T8B Ignition Coil 2 (LTG/LYX)
  • T8C Ignition Coil 3 (LTG/LYX)
  • T8D Ignition Coil 4 (LTG/LYX)

17

EVEN_BANK

F17UA Fuse

15A

  • K20 Engine Control Module

18

SCR_MOD

F18UA Fuse

5A

  • K115 Reductant Control Module (LH7)

19

NOX_SOOT_SENSOR

F19UA Fuse

10A

  • A97 Transmission Range Selector Controls (EPH)

20

DC_DC_2

F20UA Fuse

40A

  • T19 Power Supply Transformer (KL9)

21

SHFT_CTL

F21UA

20A

  • K173 Transmission Range Control Module (EPH)

22

ABS_PMP

F22UA Fuse

60A

  • K17 Electronic Brake Control Module

23

WASH FRONT

F23UA Fuse

15A

  • KR6 Rear Window Washer Pump Relay
  • KR11 Windshield Washer Pump Relay

24

SPARE

F24UA Fuse

40A

  • Not Used

25

D_FUEL_HTR

F25UA Fuse

40A

  • Not Used

26

SPARE

F26UA Fuse

40A

  • Not Used

27

ABS_VAL

F27UA Fuse

30A

  • K17 Electronic Brake Control Module

28

LD_TRAILR

F28UA Fuse

30A

  • F14RA
  • F18RA

29

RR_WIND_DEF

F29UA Fuse

30A

  • E18 Rear Defogger Grid

30

MIRR_DEF

F30UA Fuse

7.5A

  • A9A Outside Rearview Mirror Glass – Driver
  • A9B Outside Rearview Mirror Glass – Passenger

31

SPARE

F31UA Fuse

7.5A

  • Not Used

32

VAR/FUNC

F32UA Fuse

7.5A

  • A97 Transmission Range Selector Controls (EPH)
  • E40 Electrical Auxiliary Heater (C32)
  • K33 HVAC Control Module
  • K111 Fuel Pump Driver Control Module
  • P16 Instrument Cluster
  • P43 Collision Alert Indicators (UEU)
  • T19 Power Supply Transformer (KL9)

33

SPARE

F33UA Fuse

7.5A

  • Not Used

34

HORN

F34UA Fuse

15A

  • P13 Horn Assembly

35

VAC_PMP

F35UA Fuse

20A

  • Not Used

36

HI_BM_RH

F36UA Fuse

10A

  • E13RA Headlamp Assembly - Right
  • M28R High Beam Solenoid Actuator – Right (T4A/T4F/T4L+X88)

37

HI_BM_LH

F37UA Fuse

10A

  • E13LA Headlamp Assembly - Left
  • M28L High Beam Solenoid Actuator – Left (T4A/T4F/T4L+X88)

38

AHL_AHL

F38UA Fuse

5A

  • K26 Headlamp Control Module (TR7)

39

FOG/LMP/FRT

F39UA Fuse

15A

  • E29LF Fog Lamp – Left Front (T3U)
  • E29RF Fog Lamp – Right Front (T3U)

40

SPARE

F40UA Fuse

5A

  • Not Used

41

ESTAT_TRACM

F41UA Fuse

10A

  • K173 Transmission Range Control Module (EPH)

42

MHL

F42UA Fuse

10A

  • E13LA Headlamp Assembly - Left
  • E13RA Headlamp Assembly - Right
  • M29L Headlamp Leveling Actuator - Left (TR6/TR7)
  • M29R Headlamp Leveling Actuator - Right (TR6/TR7)
  • S30 Headlamp Switch (TR6)

43

FUEL_PMP

F43UA Fuse

20A

  • Not Used

44

ISRVM

F44UA Fuse

10A

  • A10 Inside Rearview Mirror
  • B87 Rearview Camera (Without UVC)

45

CDST_VENT

F45UA Fuse

10A

  • M73B Seat Blower Motor - Passenger Back (KU3)
  • M73D Seat Blower Motor - Passenger Cushion (KU3)

46

DR/SEAT/VENT

F46UA Fuse

10A

  • M73A Seat Blower Motor - Driver Back (KU1)
  • M73C Seat Blower Motor - Driver Cushion (KU1)

47

NEC_GERM

F47UA Fuse

20A

  • Not Used

48

WIPER_RR

F48UA Fuse

20A

  • KR7 Rear Wiper Relay

49

SPARE

F49UA Fuse

7.5A

  • Not Used

50

HTD_WHL

F50UA Fuse

10A

  • K32 Steering Wheel Heating Control Module (UVD)
  • X85 Steering Wheel Air Bag Coil

51

HDL_R

F51UA Fuse

15A

  • E13RA Headlamp Assembly - Right

52

ECM/TCM Fuse

F52UA Fuse

7.5A

  • K20 Engine Control Module
  • K71 Transmission Control Module (M3D/M3H/M3U)
  • Q8 Control Solenoid Valve Assembly (MHG/MNH/MNK)

53

LIN_WIPER_2

F53UA Fuse

30A

  • Not Used

54

FRT_WIPER

F54UA Fuse

30A

  • Not Used

55

WIPER

F55UA Fuse

30A

  • KR12B Windshield Wiper Relay
  • KR12C Windshield Wiper Speed Control Relay

56

AUSTRAIL

F56UA Fuse

  • Not Used

57

DRL_L

F57UA Fuse

15A

  • E13LA Headlamp Assembly - Left

Relays

K01

START_SOLENOID

KR27 Starter Relay

  • M64 Starter Motor

K02

A/C CONTROL

KR29 A/C Compressor Clutch Relay

  • Q2 A/C Compressor Clutch

K03

ECM

KR75 Engine Controls Ignition Relay

  • F3UA
  • F4UA
  • F5UA
  • F15UA
  • F16UA
  • F17UA
  • KR29 A/C Compressor Clutch Relay

K04

WPR

KR12B Windshield Wiper Relay

  • KR12B Windshield Wiper Speed Control Relay

K05

START_SOLENOID

KR27C Starter Pinion Solenoid Actuator Relay

  • M64 Starter Motor

K06

FUEL_HEATER

KR22 Fuel Heater Relay

  • E11 Fuel Heater (LH7)

K07

HEADLAMP/DRL

  • Not Used

K08

EMPTY

  • Not Used

K09

WIPER SPEED

KR12C Windshield Wiper Speed Control Relay

  • M75 Windshield Wiper Motor

K10

FUEL PUMP/SPARE

  • Not Used

K11

HEADLAM WASH

  • Not Used

K12

HEADLAMP HIGH BEAM

KR48 Headlamp High Beam Relay

  • F36UA
  • F37UA

K13

HEADLAMP/DRL

KR50 Headlamp Relay

  • F51UA
  • F57UA

K14

RUN CRANK

KR73 Ignition Main Relay

  • F32UA
  • F41UA
  • F42UA
  • F44UA
  • F45UA
  • F46UA
  • F47UA
  • F50UA
  • F52UA
  • F56UA

K15

DEFOG REAR

KR5 Rear Defogger Relay

  • F29UA
  • F30UA

Note: Relays listed below are Printed Circuit Board (PCB) relays and are only serviceable by Printed Circuit Board (PCB) Assembly (if available) or Fuse Block Assembly. PCB Relays are not serviceable individually.

K16

HORN (PCB)

KR3 Horn Relay

  • F34UA

K17

SCR CONTROL

KR121B Reductant Control Module Relay 2

  • F18UA
  • F19UA

K18

FOR LAMP

KR46 Front Fog Lamp Relay

  • F39UA Fuse

K19

PUMP COOLANT

KR31 Coolant Pump Relay - Auxiliary

  • G36 Auxiliary Heater Coolant Pump

K20

HORN

  • Not Used

K21

WASHER REAR

KR6 Rear Window Washer Pump Relay

  • G19 Rear Window Washer Pump

K22

WASH FRONT

KR11 Windshield Washer Pump Relay

  • G24 Windshield Washer Pump

K23

WIPER CONTROL RR

KR7 Rear Wiper Relay

  • M45 Rear Wiper Motor

Important: Items listed below are Wiper and Washer system diagnostic test points.

TP21

TP21

  • KR6 Rear Window Washer Pump Relay

TP22

TP22

  • KR11 Windshield Washer Pump Relay

TP23

TP23

  • KR7 Rear Wiper Relay

Important: Items listed below are HVAC system diagnostic test points.

TP19-1

TP19-1

  • KR31 Coolant Pump Relay - Auxiliary

TP19-2

TP19-2

  • KR31 Coolant Pump Relay - Auxiliary