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:
NOTE:
Check the vehicle 12 volt battery condition first.
Check the connectors for poor connections or loose terminals.
1. Problem verification:
Turn the vehicle to the ON mode.
Turn on the audio unit and check the audio remote switch operation.
Is the audio unit operation OK?
YES
Intermitten
DTC (Front Seat Heater Control Unit)
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.
The seat h