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.
READ NEXT:
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 U1280 (MICU) B-CAN Communication Bus Line Error (BUS-OFF)
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:
Clear the DTCs w
DTC C1840-14 (47-02): Differential Fluid Pressure Sensor Circuit Low
Voltage
(AWD)
NOTE: Before you troubleshoot, review the General Troubleshooting Information
for the AWD with
intelligent control system.
1. Problem verification:
Start the engine.
Check the parameter(s) below with the HDS.
Do the current condition(s) match the threshold?
YES
The failure is duplicated. Go t
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