Honda HR-V: Occupant Detection System - Diagnostics
Honda HR-V (2015-2021) Service Manual / Restraints / Occupant Detection System - Diagnostics
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DTC Troubleshooting 81-51, 81-52, 81-53: Internal Failure of the Front
Passenger's Weight Sensor Unit
NOTE:
Before doing this troubleshooting procedure, find out if the vehicle was
in a collision. If so, verify that all the required components were replaced
with new
components of the correct p
DTC Troubleshooting 81-55: Short to Ground in the Front Passenger's
Weight Sensor Power Circuit
NOTE:
Before doing this troubleshooting procedure, find out if the vehicle was
in a collision. If so, verify that all the required components were replaced
with new
components of the correct pa
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EGR Function Testing
TEST 1
1980-87 (PORTED EGR VALVE)
Check vacuum hoses for correct routing. Disconnect vacuum hose from EGR
valve. Run engine to operating
temperature. Apply 6 in. Hg to EGR valve. Ensure engine runs roughly or dies.
Reconnect vacuum hose.
VACUUM CONTROL
EGR valve is controlled by a combination of e
Inspection & Adjustment
DRIVE BELT AUTO-TENSIONER INSPECTION
Inspection
1. Drive Belt Auto-Tensioner - Position Check
Turn the vehicle to the ON mode, and make sure to turn the A/C switch
OFF, then turn
the vehicle to the OFF (LOCK) mode.
Check the position of the drive belt auto-tensioner indicator pointer
(A) an
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