Honda HR-V: HVAC System - Diagnostics
DTC TROUBLESHOOTING
DTC INDICATOR 2 : HVAC CONTROL UNIT INTERNAL ERROR
1. Problem verification:
- Clear the history DTCs.
- Do the Self-Diagnostic Function.
- Checking for DTCs.
Does the RECIRCULATION indicator blink twice?
YES
Replace the HVAC control unit.
NO
Intermittent failure, the system is OK at this time.
DTC INDICATOR 3 A PROBLEM IN THE RECIRCULATION CONTROL MOTOR CIRCUIT,
LINKAGE, DOOR, OR MOTOR
1. Problem verification:
- Clear the history DTCs.
- Do the Self-Diagnostic Function.
- Checking for DTCs.
Does the RECIRCULATION indicator blink twice?
YES
Replace the HVAC control unit.
NO
Intermittent failure, the system is OK at this time.
DTC INDICATOR 3 A PROBLEM IN THE RECIRCULATION CONTROL MOTOR CIRCUIT,
LINKAGE, DOOR, OR MOTOR
1. Problem verification:
- Clear the history DTCs.
- Do the Self-Diagnostic Function.
- Checking for DTCs.
Does the RECIRCULATION indicator blink three times?
YES
Go to step 2.
NO
Intermittent failure. Check for loose wires or poor connections on the
recirculation control motor circuit.
2. Open wire check (F/R MTR(REC)/M-REC line):
- Turn the vehicle to the OFF (LOCK) mode.
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A/C SYSTEM CONTAMINATION INSPECTION
Inspection
NOTE:
If the A/C compressor failure is diagnosed, always use this inspection
to check the extent of
contamination in the A/C system.
The parts illu
SEE MORE:
Special Tools Required
Attachment, 22 x 24 mm
07746-001A800
Driver Handle, 15 x 135L 07749-0010000
Replacement
NOTE: Apply a light coat of clean transmission fluid on all parts before
installation.
1. Control Shaft Oil Seal - Remove
2. Control Shaft Oil Seal - Install
Install the oil seal (A)
NOTE:
Check the vehicle 12 volt battery condition first.
This is not the same condition as when driving off-road (or on a fire or
logging road).
This condition is caused by a loss of map matching from a bad sensor
input. Check for aftermarket or other objects that can block the GPS signal.