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.
READ NEXT:
Inspection & Adjustment
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:
Final Drive Shaft Tapered Roller Bearing Outer Race Replacement (CVT)
Special Tools Required
Driver Handle, 40 mm I.D.
07746-0030100
Replacement
NOTE:
The tapered roller bearing and the tapered roller bearing outer race
should be replaced as a set.
Adjust the tapered roller bearing preload after replacing the tapered
roller bearing and the tapered
roller bea
A/C Diagnostic Process
When a customer presents an A/C concern, do the following procedure to
identify the cause of the problem.
1. Confirm the type of concern.
If a customer complains about an A/C performance problem, go to step 2.
If a customer complains about an A/C noise problem, do the A/C system
noise check.
