Hyundai Ioniq: Hybrid Control System / DC Fuse. Repair procedures
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| Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries. |
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1. | Shut off the High Voltage circuit (Refer to Hybrid Control System - "High Voltage Shut-off Procedures") |
2. | Remove the air cleaner assembly and duct. (Refer to Engine Mechanical System - "Air Cleaner") |
3. | Disconnect the power cable (A) [↔ High voltage battery system assembly] and inverter power cable (B) [↔ HSG & Electric A/C compressor]. •
| Remove the inverter power cale in the follwing order. |
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4. | Remove the DC fuse cover (A) after loosening the mounting bolt. DC Fuse cover installation bolt : 4.9 - 6.9 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.1 lb-ft) |
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5. | Remove the DC fuse seal cover (A). |
6. | Remove the DC fuse (A) from the HPCU after loosening the mounting bolt. DC Fuse installation bolt : 9.3 - 10.4 N.m (0.95 - 1.06 kgf.m, 6.9 - 7.7 lb-ft) |
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| Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries. |
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1. | Install the DC fuse in the reverse order of removal. |
Other information:
HCU Terminal and Input / Output SignalTerminal FunctionConnector [C133-S]
Pin No
Description
Connected to
1HCU GroundChassis ground2HCU GroundChassis ground3HCU GroundChassis ground4Battery power (B+)Battery5Battery power (B+)Battery6Battery power (B+)Battery7- 8- 9- 10- 11- 12- 13- 14- 15Brake Switch 2 signal inputBrake Switch (NC, IG1)16Brake Switch 1 signal inputBrake Switch (NO, B+)17- 18- 19- 20- 21- 22- 23- 24- 25- 26- 27- 28- 29- 30- 31-32-33-34- 35- 36- 37- 38Start signal inputSmart Key Unit39- 40- 41- 42- 43- 44- 45- 46- 47- 48- 49- 50- 51- 52- 53- 54- 55- 56- 57- 58- 59- 60- 61- 62- 63- 64- 65- 66- 67- 68- 69- 70- 71- 72- 73IGN signal inputSmart Key Unit74- 75- 76- 77- 78Powertrain CAN [High] signal inputOther control modules79Powertrain CAN [Low] signal inputOther control modules80- 81Hybrid CAN [High] signal inputOther control modules82Hybrid CAN [Low] signal inputOther control modules83- 84- 85- 86- 87- 88- 89- 90- 91- 92- 93- 94- Input/Output signalConnector [C133-S]
Pin no
Description
Condition
Type
Level
1HCU GroundAlwaysDC VoltageMax...
Removal1.Remove the hybrid motor assembly.(Refer to Hybrid Motor System - "Hybrid Motor Assembly")2.Remove the clutch cover assembly and clutch disc after loosening the bolts.
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Be careful not to be bent or twist bolts...
Categories
Adjust the steering wheel so it points toward your chest, not toward your face.
Make sure you can see the instrument cluster warning lights and gauges. After adjusting,
push the steering wheel both up and down to be certain it is locked in position.
Always adjust the position of the steering wheel before driving.
WARNING
NEVER adjust the steering wheel while driving. This may cause loss of vehicle
control resulting in an accident.
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