Honda HR-V: DTC C1841-27 (43-01): Differential Fluid Temperature Sensor Circuit
Range/Performance Problem (AWD)
NOTE: Before you troubleshoot, review the General Troubleshooting Information
for the AWD with
intelligent control system.
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1. DTC check:
- Turn the vehicle to the ON mode.
- Check for DTCs with the HDS.
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Is DTC C1841-11, C1841-13, or C1841-27 indicated?
DTC C1841-11 is indicated
Go to the DTC C1841-11 troubleshooting.
DTC C1841-13 is indicated
Go to the DTC C1841-13 troubleshooting.
DTC C1841-27 is indicated
Go to step 2.
2. Problem verification:
- Clear the DTC with the HDS.
- Start the engine, and let it idle for 1 minute.
- Check for DTCs with the HDS.
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Is DTC C1841-27 indicated?
YES
The failure is duplicated. Go to step 3.
NO
Intermittent failure, the system is OK at this time. If the freeze
data/on-board snapshot of this DTC is
recorded, try to reproduce the failure under the same conditions with the Freeze
data/on-board snapshot.
3. Rear differential fluid temperature sensor check:
- Check the parameter(s) below with the HDS. Make note of this value as it
will be needed in the
following steps.
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- Turn the vehicle to the OFF (LOCK) mode.
- Turn the vehicle to the ON mode.
- Check the parameter(s) below with the HDS then compare with the value
checked in step 3-1.
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Did the sensor value change?
YES
Check for an intermittent open or short in the TOH and/or TOL wires between
the rear differential fluid
temperature sensor and the AWD control unit, and recheck.
NO
Replace the rear differential fluid temperature sensor.
READ NEXT:
NOTE: Before you troubleshoot, review the General Troubleshooting Information
for the AWD with
intelligent control system.
1. Problem verification:
Turn the vehicle to the ON mode.
Check the para
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
NOTE: Before you troubleshoot, review the General Troubleshooting Information
for the AWD with
intelligent control system.
1. Problem verification (with engine idling):
Turn the vehicle to the ON
SEE MORE:
* PLEASE READ THIS FIRST *
NOTE: Examples used in this article are general in nature and do not
necessarily relate
to a specific engine or system. Illustrations and procedures have been chosen
to guide mechanic through engine overhaul process. Descriptions of processes
of cleaning, inspection, asse
Removal
1. Oil Filter - Remove
2. Oil Filter Feed Pipe - Remove
Installation
1. Oil Filter Feed Pipe - Install
Install the two 20 x 1.5 mm nuts (A) onto the oil filter feed pipe. Hold
one nut with a wrench, then tighten the other nut
Apply new engine oil to the oil filter feed pipe threads.