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:
Breather Line and Suction Line Inspection (AWD: KA/KC)
Special Tools Required
Fuel Pressure
Gauge
Attachment Set
07AAJ-S6MA150
Vacuum
Pump/Gauge,
0-30 inHg Snapon
YA4000A or
equivalent,
commercially
available
Inspection
1. Front seat (driver's side) - Remove
2. Rear Heater Duct (Left Side) - Remove
3. Access Panel - Remove
Remove the access panel
DTC U1281, U128D (Keyless Access Power Control Unit)
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.
The DTC may be stored due to the grounding failure or the power source
failure at the transmitting
control unit (the grounding inspection and the powe
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