X50A Fuse Block - Underhood Label (With HP6 or NJ1)
X50A FUSE BLOCK - UNDERHOOD FUSE AND RELAY IDENTIFICATION LEGEND (HP6 OR NJ1)
| No. | Device Label Name | Fuse And Relay Description | Rating | Circuits |
|---|---|---|---|---|
| Fuses | ||||
| 1 | 1 | F1UA Fuse | 15A | Q8 Control Solenoid Valve Assembly (MH8, MHH or MHK) |
| 2 | 2 | F2UA Fuse | 15A | K20 Engine Control Module |
| 3 | 3 | F3UA Fuse | - | Not Occupied |
| 4 | 4 | F4UA Fuse | - | Not Occupied |
| 5 | 5 | F5UA Fuse | 15A | K20 Engine Control Module, Q8 Control Solenoid Valve Assembly (MH8, MHH, or MHK) |
| 6 | 6 | F6UA Fuse | 30A | KR12B Windshield Wiper Relay, KR12C Windshield Wiper Speed Control Relay |
| 7 | 7 | F7UA Fuse | 7.5A | K59 Starter/Generator Control Module (LUK) |
| 8 | 8 | F8UA Fuse | 15A | Not Occupied |
| 9 | 9 | F9UA Fuse | 15A | K20 Engine Control Module, T8A Ignition Coil 1, T8B Ignition Coil 2, T8C Ignition Coil 3, T8D Ignition Coil 4 |
| 10 | 10 | F10UA Fuse | 20A | K20 Engine Control Module |
| 11 | 11 | F11UA Fuse | - | Not Occupied |
| 12 | 12 | F12UA Fuse | 30A | KR27 Starter Relay |
| 13 | 13 | F13UA Fuse | 7.5A | K27 Fuel Pump Control Module |
| 14 | 14 | F14UA Fuse | 15A | Not Occupied |
| 15 | 15 | F15UA Fuse | - | Not Occupied |
| 16 | 16 | F16UA Fuse | 7.5A | K32 Steering Wheel Heating Control Module (UVD) |
| 17 | 17 | F17UA Fuse | 5A | K36 Inflatable Restraint Sensing and Diagnostic Module |
| 18 | 18 | F18UA Fuse | 15A | K59 Starter/Generator Control Module (LUK) |
| 19 | 19 | F19UA Fuse | - | Not Occupied |
| 20 | 20 | F20UA Fuse | - | Not Occupied |
| 21 | 21 | F21UA Fuse | 30A | S79LR Window Switch - Left Rear (AEQ), S79RR Window Switch - Right Rear (AEQ), M74LR Window Motor - Left Rear (AER), M74RR Window Motor - Right Rear (AER) |
| 22 | 22 | F22UA Fuse | 30A | K17 Electronic Brake Control Module |
| 23 | 23 | F23UA Fuse | 10A | K43 Power Steering Control Module (NXC) |
| 24 | 24 | F24UA Fuse | 30A | M74D Window Motor - Driver, M74P Window Motor - Passenger (AEF), S79P Window Switch - Passenger (AED) |
| 25 | 25 | F25UA Fuse | 30A | T1 Accessory DC/AC Power Inverter Module (KI6) |
| 26 | 26 | F26UA Fuse | 60A | K17 Electronic Brake Control Module |
| 27 | 27 | F27UA Fuse | 30A | K83 Parking Brake Control Module |
| 28 | 28 | F28UA Fuse | 40A | R14L Rear Window Defogger Noise Filter - Left |
| 29 | 29 | F29UA Fuse | 15A | S65D Seat Lumbar Support Switch - Driver (APG) |
| 30 | 30 | F30UA Fuse | 15A | S65P Seat Lumbar Support Switch - Passenger (APH) |
| 31 | 31 | F31UA Fuse | 10A | Not Occupied |
| 32 | 32 | F32UA Fuse | 20A | A10 Inside Rearview Mirror, E5A Backup Lamp - Left, E5B Backup Lamp - Right, E5AM Stop/Turn Signal Lamp - Left, K9 Body Control Module, S2 Transmission Manual Shift Switch |
| 33 | 33 | F33UA Fuse | 25A | K29 Seat Heating Control Module |
| 34 | 34 | F34UA Fuse | 25A | M69 Sunroof Motor (CF5) |
| 35 | 35 | F35UA Fuse | 30A | T3 Audio Amplifier (UQA) |
| 36 | 36 | F36UA Fuse | - | Not Occupied |
| 37 | 37 | F37UA Fuse | 10A | E4F Headlamp - Right High Beam (T4A), M28R High Beam Solenoid Actuator - Right (T4F) |
| 38 | 38 | F38UA Fuse | 10A | M28L High Beam Solenoid Actuator - Left |
| 39 | 39 | F39UA Fuse | - | Not Occupied |
| 40 | 40 | F40UA Fuse | - | Not Occupied |
| 41 | 41 | F41UA Fuse | 30A | KR14 Brake Booster Pump Motor Relay (LUK) |
| 42 | 42 | F42UA Fuse | 30A | Not Occupied |
| 43 | 43 | F43UA Fuse | 60A | Not Occupied |
| 44 | 44 | F44UA Fuse | 25A | KR86 Transmission Fluid Pump Relay - Auxiliary (HP6) |
| 45 | 45 | F45UA Fuse | 60A | G10L Cooling Fan Motor - Left (LUK), G10R Cooling Fan Motor - Right (LUK), KR20C Cooling Fan Low Speed Relay (LUK), KR20J Cooling Fan Left High Speed Relay (LUK) |
| 46 | 46 | F46UA Fuse | 10A | KR20C Cooling Fan Low Speed Relay (LUK), KR20E Cooling Fan Speed Control Relay, KR26 Secondary Air Injection Solenoid Valve Relay (NU6) |
| 47 | 47 | F47UA Fuse | 10A | Not Occupied |
| 48 | 48 | F48UA Fuse | 15A | E29LF Fog Lamp - Left Front, E29RF Fog Lamp - Right Front |
| 49 | 49 | F49UA Fuse | 15A | T7R Headlamp Ballast - Right (T4F) |
| 50 | 50 | F50UA Fuse | 15A | T7L Headlamp Ballast - Left (T4F) |
| 51 | 51 | F51UA Fuse | 15 A | P13 Horn Assembly |
| 52 | 52 | F52UA Fuse | 5A | P16 Instrument Cluster |
| 53 | 53 | F53UA Fuse | 10A | A10 Inside Rearview Mirror |
| 54 | 54 | F54UA Fuse | 5A | Not Occupied |
| 55 | 55 | F55UA Fuse | 7.5A | S79D Window Switch - Driver, S52 Outside Rearview Mirror Switch |
| 56 | 56 | F56UA Fuse | 15A | G24 Windshield Washer Pump |
| 57 | 57 | F57UA Fuse | 15A | Not Occupied |
| 58 | 58 | F58UA Fuse | - | Not Occupied |
| 59 | 59 | F59UA Fuse | 30A | G21 Secondary Air Injection Pump (NU6), KR25 Secondary Air Injection Pump Relay (NU6) |
| 60 | 60 | F60UA Fuse | 7.5A | E17D Outside Rearview Mirror Glass - Driver, E17P Outside Rearview Mirror Glass - Passenger |
| 61 | 61 | F61UA Fuse | - | Not Occupied |
| 62 | 62 | F62UA Fuse | 10A | Q13 Evaporative Emission Vent Solenoid Valve |
| 63 | 63 | F63UA Fuse | - | Not Occupied |
| 64 | 64 | F64UA Fuse | - | Not Occupied |
| 65 | 65 | F65UA Fuse | - | Not Occupied |
| 66 | 66 | F66UA Fuse | - | Not Occupied |
| 67 | 67 | F67UA Fuse | 20A | K27 Fuel Pump Control Module |
| 68 | 68 | F68UA Fuse | - | Not Occupied |
| 69 | 69 | F69UA Fuse | 5A | K9 Body Control Module, S30 Headlamp Switch, S70L Steering Wheel Controls Switch - Left, S70R Steering Wheel Controls Switch - Right |
| 70 | 70 | F70UA Fuse | 5A | Not Occupied |
| 71 | 71 | F71UA Fuse | 5A | Not Occupied |
| 72 | - | F72UB Fuse | - | Not Occupied |
| 73 | - | F73UB Fuse | 175A | K59 Starter/Generator Control Module (NP6) |
| 74 | - | F74UB Fuse | 80A | K43 Power Steering Control Module (NJ7) |
| 75 | - | F75UB Fuse | - | Not Occupied |
| Relays | ||||
| 1 | 1 | KR29 A/C Compressor Clutch Relay | - | Q2 A/C Compressor Clutch |
| 2 | 2 | KR27 Starter Relay | - | M64 Starter Motor |
| 3 | 3 | - | - | :Not Occupied |
| 4 | 4 | KR12C Windshield Wiper Speed Control Relay | - | M75 Windshield Wiper Motor |
| 5 | 5 | KR12B Windshield Wiper Relay | - | M75 Windshield Wiper Motor |
| 6 | 6 | KR49R Headlamp Low Beam Relay - Right | - | E4D Daytime Running Lamp - Right (T4A), E4H Headlamp - Right Low Beam (T4A) |
| 7 | 7 | KR75 Engine Controls Ignition Relay | - | F9UA, F10UA, F11UA, F46UA, F47UA Fuses, KR25 Secondary Air Injection Pump Relay (NU6) |
| 8 | 8 | KR33 Auxiliary Heater Coolant Pump Relay | - | G17 Heater Coolant Pump |
| 9 | 9 | KR20J Cooling Fan Left High Speed Relay | - | G10L Cooling Fan Motor - Left |
| 10 | 10 | KR20C Cooling Fan Low Speed Relay | - | G10L Cooling Fan Motor - Left (LUK), G10R Cooling Fan Motor - Right (LUK) |
| 11 | 11 | KR86 Transmission Fluid Pump Relay - Auxiliary | - | G5 Transmission Fluid Pump - Auxiliary (HP6) |
| 12 | 12 | - | - | :Not Occupied |
| 13 | 13 | KR20J Cooling Fan Left High Speed Relay | - | G10L Cooling Fan Motor - Left (LUK) |
| 14 | 14 | KR49L Headlamp Low Beam Relay - Left | - | F49UA (T4F), F50UA (T4F) Fuses, E4C Daytime Running Lamp - Left (T4A), E4G Headlamp - Left Low Beam (T4A) |
| 15 | 15 | KR73 Ignition Main Relay | - | F5UA, F13UA, F16UA, F17UA, F18UA, F52UA, F53UA, F54UA, F57UA Fuses |
| 16 | 16 | KR25 Secondary Air Injection Pump Relay | - | G21 Secondary Air Injection Pump (NU6) |
| 17 | 17 | KR5 Rear Defogger Relay | - | E17D Outside Rearview Mirror Glass - Driver, E17P Outside Rearview Mirror Glass - Passenger, R14L Rear Window Defogger Noise Filter - Left |
|
NOTE:
Relays listed below are non-serviceable Printed Circuit Board (PCB) relays and are internal to the block. |
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| - | - | KR3 Horn Relay | - | F51UA Fuse |
| - | - | KR11 Windshield Washer Pump Relay | - | F56UA Fuse |
| - | - | KR46 Front Fog Lamp Relay | - | F48UA Fuse |
| - | - | KR48 Headlamp High Beam Relay | - | F37UA, F38UA Fuses |
| - | - | KR95B Rear Compartment Lid Unlatch Relay | - | M40 Rear Compartment Lid Latch |
| - | - | KR97 Door Lock Relay | - | A23D Door Latch Assembly - Driver, A23LR Door Latch Assembly - Left Rear, A23P Door Latch Assembly - Passenger, A23RR Door Latch Assembly - Right Rear |
| - | - | KR133 Starter/ Generator Coolant Pump Relay | HP6 | G43 Starter/ Generator Coolant Pump, A4 Hybrid/EV Battery Pack |
|
NOTE:
Item listed below is a Release Systems diagnostic test point. |
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| TP18 | - | TP18 | - | KR95B Rear Compartment Lid Unlatch Relay |
|
NOTE:
Items listed below are diagnostic testing points. |
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| TP19 | - | TP19 | - | Not Occupied |
| TP24 | - | TP24 | - | Not Occupied |
| TP26 | - | TP26 | - | Not Occupied |