Honda HR-V: VSA Modulator-Control Unit Removal and Installation
Removal

Do not spill brake fluid on the vehicle; it may damage the paint. If brake
fluid gets on the paint, wash it off
immediately with water.
NOTE:
- Be careful not to damage or deform the brake lines during removal.
- To prevent the brake fluid from dripping, plug and cover the hose ends
and joints with a shop towel.
- The yaw rate-acceleration sensor is built into the VSA modulator-control
unit.
- Do not damage or drop the VSA modulator-control unit as it is sensitive.
- Do not use power tools when removing the VSA modulator-control unit.
1. VSA Modulator-Control Unit - Remove
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- Turn the vehicle to the OFF (LOCK) mode
- Disconnect the 10 mm brake lines (A)
- Disconnect the 12 mm brake lines (B).
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- Disconnect the connector (A) by pushing the lock (B) and pulling down
the lever (C); the connector disconnects itself.
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- Remove the harness clip (A)
- Remove the VSA modulator-control unit (B) with the
bracket (C).
2. VSA Modulator- Control Unit Bracket - Remove
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- Remove the VSA modulator-control unit (A) from the
bracket (B).
Installation

Do not spill brake fluid on the vehicle; it may damage the paint. If brake
fluid gets on the paint, wash it off
immediately with water.
NOTE:
- Be careful not to damage or deform the brake lines during installation.
- To prevent the brake fluid from dripping, plug and cover the hose ends
and joints with a shop towel.
- The yaw rate-acceleration sensor is built into the VSA modulator-control
unit.
- Do not damage or drop the VSA modulator-control unit as it is sensitive.
- Do not use power tools when installing the VSA modulator-control unit.
1. VSA Modulator- Control Unit Bracket - Install
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- Install the VSA modulator-control unit (A) to the bracket
(B).
2. VSA Modulator- Control Unit - Install
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- Install the VSA modulator-control unit (A) with the
bracket (B)
- Install the harness clip (C).
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- Align the connecting surface of the VSA modulator-control unit
connector (A)
- Pull up the lever (B) of the connector, then confirm the
connector is fully seated.
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- Connect the brake lines.
NOTE: Brake lines are connected to the master cylinder (A), the left-rear
(B),
the right-front (C), the left-front (D), and the right-rear (E) brake
systems.
3. Brake System- Bleed
4. VSA Modulator-Control Unit - Update
5. VSA Sensor Neutral Position - Memorize
6. Inclination Sensor - Initial Learn Procedure (With CVT)
7. Longitudinal Acceleration Sensor - Learn (With AWD)
8. TPMS - Calibrate (With TPMS)
READ NEXT:
Removal and Installation
1. Driver's Dashboard Lower Cover - Remove
2. VSA Off Switch - Remove
Square type
Circle type
3. All Removed Parts - Install
Install the parts in the reverse order of remo
Removal and Installation
Front
1. Vehicle - Lift
2. Front Wheels - Remove
3. Front Wheel Speed Sensor - Remove
Remove the grommet (A) from the body.
Disconnect the connector (B)
Remove the wire g
SEE MORE:
NOTE: Before you troubleshoot, review the General Troubleshooting
Information.
1. Problem verification (with engine idling):
Turn the vehicle to the ON mode.
Clear the DTC with the HDS.
Start the engine.
Check for DTCs with the HDS.
Is DTC C1851-19 or C1851-1E indicated?
YES
The failure is
REMOVAL INSTALLATION
MIRROR HOLDER REMOVAL AND INSTALLATION
Removal & Installation
1. Mirror Holder - Remove
Carefully push on the top edge of the mirror holder (A) by hand
Put a shop towel in the opening between the bottom edge of the mirror
holder and
the mirror housing (B) to prevent s