Honda HR-V: General Information
Honda HR-V (2015-2021) Service Manual / Engine / Engine Control System & Engine Mechanical - Testing & Troubleshooting / General Information
ENGINE CONFIGURATION
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Fig. 2: Engine Configuration With Drive Belt Routing And Egine Rotation
CHECK
THROTTLE BODY CARBON ACCUMULATION CHECK
Test
1. HDS - Connect
2. Throttle Body - Test
- Start the engine. Hold the engine speed at 3, 000 rpm without load (CVT in P or N, M/T in neutral) until the radiator fan comes on, then let it idle.
- Check the REL TP SENSOR in the DATA LIST with the HDS. The reading should be below 2.46 deg. If it is not, clean the throttle body.
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Symptom Troubleshooting
AFTER WARMING UP, IDLE SPEED IS ABOVE SPECIFICATIONS WITHOUT LOAD (MIL
WORKS OK, NO DTCS SET) (KA/KC)
Diagnostic procedure
1. APP Sensor Signal Inspection
Also check for
Intake air leaks
AFTER WARMING
A/C Signal Circuit Troubleshooting
1. A/C compressor clutch condition check.
Start the engine, and let it idle.
Turn the blower switch on.
Turn the A/C switch on.
Check the parameter(s) below with the HDS.
Do the current conditi
SEE MORE:
DTC B1C55, B1C57
NOTE : Refer to the DTC code shown on the display, and then inspect the
connectors and terminals based on
the instructions in the table below.
DTC (Front Seat Heater Control Unit)
NOTE :
If you are troubleshooting multiple DTCs, be sure to follow the
instructions in B-CAN System Diagnosis
Tes
Under-Dash Subrelay Box Removal, Installation, and Test
Removal & Installation
1. Keyless Access Control Unit - Remove
2. Under-Dash Subrelay Box - Remove
Remove the under-dash subrelay box (A).
3. All Removed Parts - Install
Install the parts in the reverse order of removal.
Test
1. Under-Dash Subrelay Box - Test
The under-dash subrelay box
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