Honda HR-V Owners & Service Manuals

Honda HR-V: Air Mix Control Motor/Mode Control Motor/Recirculation Control Motor Test

Honda HR-V (2015-2021) Service Manual / HVAC / HVAC System - Testing & Troubleshooting / Testing / Air Mix Control Motor/Mode Control Motor/Recirculation Control Motor Test

Special Tools Required

Backprobe Set 07SAZ- 001000A

HVAC System - Testing & Troubleshooting

Test

SRS components are located near the mode control motor and the recirculation control motor. Review the SRS component locations - Refer to: SRS Component Location Index (KA/KC), or SRS Component Location Index (KA/KC) and the precautions and procedures before doing repairs or service.

NOTE:

  • Before testing the motor, check for climate control DTCs - Refer to: How to Troubleshoot the Climate Control System, or How to Troubleshoot the Body Electrical. (With Climate Control)
  • Before testing the motor, check for HVAC control DTCs. (Without Climate Control)

1. Part Removal For Motor Access

HVAC System - Testing & Troubleshooting

2. Connector Type

The diagram below details the motor connector design used on this vehicle.

HVAC System - Testing & Troubleshooting

3. Air Mix Control Motor, Passenger's Air Mix Control Motor, Mode Control Motor and Recirculation Control Motor - Test

  1. Disconnect the connector for necessary inspections.

NOTICE

Incorrectly applying power and ground to the HVAC control motors will damage it. Follow the instructions carefully.

  1. Test the motor in each direction by connecting battery power and ground at the connector according to the table. When the motor should run smoothly and stop, disconnect battery power immediately.

HVAC System - Testing & Troubleshooting

  1. If any of the HVAC control motors did not run in step 2, remove it, then check the control linkage and door for smooth movement.
  • If the linkage and doors move smoothly, go to step 4.
  • If the linkage or door sticks or binds, repair them as needed.
  1. Measure the resistance between terminals according to the table.

HVAC System - Testing & Troubleshooting

5. Reconnect the connector, which removed in the step 1.

6. Turn the vehicle to the ON mode.

7. Using the backprobe set, measure the voltage between terminals according to the table.

HVAC System - Testing & Troubleshooting

  1. If either the resistance or the voltage readings are not as specified, replace the faulty motor.

4. All Removed Parts - Install

  1. Install the parts in the reverse order of removal.

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