Honda HR-V: Integrated Control Systems
Honda HR-V (2015-2021) Service Manual / Accessories & Equipment / Integrated Control Systems
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Description
MULTIPLEX INTEGRATED CONTROL SYSTEM DESCRIPTION - CONTROL/FUNCTION
Self-Diagnostic Function
The MICU provides the self-diagnostic function for checking the communication
and input systems.
Communicat
Testing
MICU INPUT TEST
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 Syste
SEE MORE:
Keyless Access System Symptom Troubleshooting - The Key-In Reminder Sounds
In Vehicle OFF (lock) Mode When Door Is Open
1. PCU DTC check.
Turn the vehicle to the ON mode.
Connect the HDS to the data link connector (DLC).
Check for DTCs in the POWER CONTROL UNIT with the HDS.
DTC (POWER CONTROL UNIT)
Are there any DTCs?
YES
Go to indicated DTC troubleshooting.
NO
Go to step 2.
2. Shorted wire check (KEY SW line)
Testing
FRONT SEAT HEATER CONTROL UNIT INPUT TEST
NOTE : Before testing, make sure the No. C19 (20 A), No. C24 (7.5 A), and No.
C39 (10 A) fuses in the under-dash
fuse/relay box are OK.
1. Disconnect the front seat heater control unit 14P connector.
2. Inspect the connector and socket terminals to be sure
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