Honda HR-V: Interpreting Injector Waveforms
Honda HR-V (2015-2021) Service Manual / General Information / Waveforms - Injector Pattern Tutorial / Interpreting Injector Waveforms
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Interpreting A Voltage Controlled Pattern
NOTE: Voltage controlled drivers are also known as "Saturated Switch"
drivers. They
typically require injector circuits with a total leg resistance of 12 ohms or
more.
NOTE: This example is based on
Interpreting A Current Controlled Pattern
NOTE: Current controlled drivers are also known as "Peak and Hold"
drivers. They
typically require injector circuits with a total leg resistance with less than
12
ohm.
NOTE: This example is based on
Current Waveform Samples
NOTE: This is GENERAL information. This article is not intended to be
specific to any
unique situation or individual vehicle configuration. For model-specific
information see appropriate articles whe
SEE MORE:
DTC Troubleshooting C1851-19 (63-02), C1851-1E (63-03), C1851-1E (63-04):
Motor Circuit Low Current, Motor Circuit High Current (AWD)
NOTE: Before you troubleshoot, review the General Troubleshooting
Information.
1. Problem verification (with engine idling):
Turn the vehicle to the ON mode.
Clear the DTC with the HDS.
Start the engine.
Check for DTCs with the HDS.
Is DTC C1851-19 or C1851-1E indicated?
YES
The failure is
General Information
ENGINE CONFIGURATION
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
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