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)
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READ NEXT:
AWD Control Unit Connector For Inputs And Outputs (AWD)
AWD Control Unit Inputs and Outputs for 24P Connector (Connector
Disconnected)
AWD SYSTEM BLEEDING (AWD)
Procedure
NOTE: Whenever the rear differential assembly is disassembled, the AWD with
intel
Rear Differential Fluid Inspection And Replacement (AWD)
Inspection
1. Vehicle - Lift
2. Rear Differential Fluid - Check
Fig. 4: Differential Fluid Check With Filler Plug Torque Specifications
Use solvent and a brush to wash any oil and dirt off the oil
SEE MORE:
Troubleshooting
HANDSFREELINK SYSTEM TROUBLESHOOTING
NOTE:
Check the vehicle 12 volt battery condition first.
Before you troubleshoot, make sure to follow the General Troubleshooting
Information.
Make sure the Bluetooth cell phone is Honda approved and configured
correctly. Online, go to handsfreelink.honda
Lift and Support Points
NOTE: If you are going to remove heavy components such as suspension
or the fuel tank from the rear of the vehicle, first support the front of the
vehicle with tall safety stands. When
substantial weight is removed from the rear of the vehicle, the center of
gravity can change, causing the vehicl
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