Honda HR-V: 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](images/books/1097/index 253(3).png)
![Differential - Testing & Troubleshooting](images/books/1097/index 254(3).png)
READ NEXT:
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
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:
Removal
NOTE:
Make sure the HDS or the MVCI has the latest HDS software version.
If you are replacing the PCM after substituting a known-good PCM,
reinstall the original PCM, then do
this procedure.
If you are removing or substituting the PCM, skip the procedures of READ
DATA (Engine Oil Li
Types of Tools
2WD models
The tools are stored in the cargo area.
AWD models
If a Tire Goes Flat
Changing a Flat Tire
If a tire goes flat while driving, grasp the steering wheel firmly, and brake
gradually
to reduce speed. Then, stop in a safe place. Replace the flat tire with a
compact
spare ti