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:
DTC U3003-17 (EPS Control Unit)
NOTE: Before you troubleshoot, review the general troubleshooting
information.
DTC (EPS)
1. Problem verification.
Turn the vehicle to the ON mode.
Clear the DTC with the HDS.
Clear DTCs
Turn the vehicle to the OFF (LOCK) mode, then start the engine.
Turn the steering wheel to left and right
DTC B1127 Driver's Door Key Cylinder Switch Input Circuit
Malfunction (Simultaneous Input of Lock and Unlock Signal)
DTC (MICU)
NOTE : If you are troubleshooting multiple DTCs, be sure to follow the
instructions in B-CAN System
Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System
Diagnosis Test Mode
A - Initial Communication and DTC Checks.
1. Problem verification (driver's door key
