Honda HR-V: Description
SEAT HEATERS SYSTEM DESCRIPTION - CONTROL/FUNCTION
Heater Control
The front seat heater control switch sets the heater to HI/LO or OFF based on the front seat heater switch signals received. The front seat heater control switch receives the front seat heater switch signals from the B-CAN via the climate control unit. The front seat heater control unit monitors the thermistor resistance, the voltage/current/temperature to the heater, and the presence of communication with the climate control unit.
Also, the system stores a DTC when a malfunction is detected in the front seat heater control unit.
Thermistor and Breaker
Seat cushion heater has a thermistor and breaker. The thermistor and breaker are protecting an overheat and seat heater circuit. Value of the thermistor is input to the control unit.
Front Seat Cushion
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The seat heater temperature is controlled by breaker ON and OFF condition.
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SEAT HEATERS SYSTEM DESCRIPTION - OVERVIEW
Some models come equipped with the seat heater for the driver's seat and front passenger's seat. The seat heater functions to warm the seats by operating the seat heat switch to Low or High. The seating surfaces include electrical resistance heating elements that warm the surfaces.
Driver's Seat
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Front Passenger's Seat
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SEAT HEATERS SYSTEM DESCRIPTION - SYSTEM DIAGRAM
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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 fro
Front Seat Heater Control Unit Connector For Inputs And Outputs
REAR SEAT CUSHION DISASSEMBLY AND REASSEMBLY
Disassembly & Reassembly
1. Rear Seat Cushion - Remove
2. Rear Seat Recline Cover - Remove
3. Rear Seat Hinge Cover -Remove
4. Rear Seat Cushion Pa
SEE MORE:
Immobilizer System Symptom Troubleshooting - Immobilizer Indicator Blinks
NOTE: Before troubleshooting, check the items listed in General Check before
Troubleshooting.
1. Immobilizer system check.
Connect the HDS to the data link connector (DLC).
Turn the vehicle to the ON mode.
From the SYSTEM SELECTION MENU, enter IMMOBI, then select IMMOBILIZER
SETUP.
NOTE: If
Electric Parking Brake Symptom Troubleshooting - Electric Parking Brake
Indicator Does Not Go OFF, And No DTCS Are Stored
1. DTC check.
Turn the vehicle to the ON mode.
Check for DTCs with the HDS.
Are there DTCs indicated?
YES
Go to indicated DTC's troubleshooting.
NO
Go to step 2.
2. Gauge control module operation check.
Do the gauge control module self-diagnostic function.
Is the gauge control module OK?
YES
