Honda HR-V Owners & Service Manuals

Honda HR-V: HDS Does Not Communicate with AWD Control Unit (AWD)

Honda HR-V (2015-2021) Service Manual / Driveline & Axles / Differential - Testing & Troubleshooting / Symptom Troubleshooting / HDS Does Not Communicate with AWD Control Unit (AWD)

Remedy

AWD System Symptom Troubleshooting - HDS does not communicate (AWD)

HDS DOES NOT COMMUNICATE WITH VEHICLE (AWD)

Remedy

Dlc Circuit Troubleshooting

REAR DIFFERENTIAL LEAKS FLUID (AWD)

Probable Cause

  • Fluid level too high
  • Clogged breather hose
  • Worn or damaged oil seal
  • Damaged sealing washer
  • Loose mounting bolts or inadequate sealing

Remedy

  • Rear Differential Fluid Inspection and Replacement (AWD)
  • Rear Differential Breather Box And Hose Removal And Installation (AWD)
  • Rear Differential Oil Seal Replacement (AWD)
  • Rear Differential Fluid Inspection and Replacement (AWD)
  • Rear Differential Disassembly and Reassembly (AWD)

REAR DIFFERENTIAL OVERHEATS (AWD)

Probable Cause

  • Fluid level too low
  • Incorrect fluid type

Remedy

  • Rear Differential Fluid Inspection and Replacement (AWD)
  • Rear Differential Fluid Inspection and Replacement (AWD)

WILL NOT GO INTO AWD MODE, POOR TRACTION, POOR ACCELERATION (AT START), POOR CLIMBING ABILITY (AWD)

Remedy

AWD System Symptom Troubleshooting - Will not go into AWD mode, Poor traction, Poor acceleration (at start), Poor climbing ability (AWD)

CIRCUIT DIAGRAM

REAR DIFFERENTIAL CIRCUIT DIAGRAM (AWD)

Differential - Testing & Troubleshooting

Differential - Testing & Troubleshooting

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     DLC Circuit Troubleshooting

    NOTE : If you suspect the HDS or the HDS DLC cable may be the source of the communication problem, verify that they are working properly by connecting them to a known-good, similar vehicle and system, and checking for communication problems. 1. HDS communication check: Turn the vehicle to the O

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