Honda HR-V: DTC Troubleshooting
Honda HR-V (2015-2021) Service Manual / Accessories & Equipment / Network Communication - Testing & Troubleshooting / DTC Troubleshooting
NETWORK COMMUNICATION DTC TROUBLESHOOTING INDEX
NOTE : Record all DTCs, and sort them by DTC type using the DTC troubleshooting index, then troubleshoot the DTC(s) in this order:
- Internal error DTCs
- Loss of communication DTCs
- Signal error DTCs
MICU
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Gauge Control Module
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Climate Control Unit
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Automatic Lighting Control Unit
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Immobilizer-Keyless Control Unit
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Keyless Access Control Unit
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*: With electric steering lock
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*: With electric steering lock
Keyless Access Backup Control Unit
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Keyless Access Power Control Unit
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*1: Without steering lock
*2: With steering lock
Front Seat Heater Control Unit
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READ NEXT:
Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode 1
And Test Mode 2 (Without The HDS)
Shift to Test Mode 1
Check the PCM for DTCs and troubleshoot PCM or F-CAN loss of communication
errors first, then do this
diagnosis if the HDS is not available.
1. Check the No. B21 (10 A) fuse in t
Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A
- Initial Communication And DTC Checks
Check the PCM for DTCs and troubleshoot PCM or F-CAN loss of communication
errors first, then do this
diagnosis if the symptom is related to the B-CAN system.
1. Compare the symptom with this list of
SEE MORE:
Rear Spring Removal and Installation (AWD)
Removal
1. Vehicle - Lift
2. Rear Wheels - Remove
3. Wheel Speed Sensor Wire Bracket - Remove (Left Side)
4. Brake Hose - Remove (Right Side)
5. Muffler - Remove
6. Propeller Shaft - Remove
7. Breather Hose - Disconnect
8. Rear Differential - Remove
Position a floor jack under rear differential
Description
COOLING FAN CONTROL SYSTEM DESCRIPTION - OVERVIEW
Overview
Receiving various signals, such as coolant temperature signals and
refrigerant compression signals, from
sensors, the PCM performs the fan control switching the fan speed (HI/LO) as
needed. This control efficiently
operates the radiator fa
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