Honda HR-V: DTC C1860-98 (76-01): Differential Fluid Overheated (AWD)
NOTE:
- Before you troubleshoot, review the General Troubleshooting Information for the AWD with intelligent control system.
- When the clutch is presumed to be overheated, DTC C1860-98 is set and
the system turns off the clutch
engagement to protect the clutch. This DTC may also set under the following
conditions.
- When spinning the rear wheels while the vehicle is stuck in sand, mud, snow, etc
- When the VSA system is OFF
- If except DTC C1860-98 and/or DTC C1861-9A is stored at the same time as DTC C1860-98 and/or DTC C1861-9A, troubleshoot except DTC C1860-98 and/or DTC C1861-9A first, then recheck for DTC C1860-98 and/or DTC C1861-9A.
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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 C1860-98, C1861-9A, or other DTC indicated?
DTC C1860-98 or C1861-9A is indicated
Go to step 2.
Other DTC is indicated
Go to the indicated DTC's troubleshooting.
2. Tyre size check:
Check the tire size of the four wheels.
Are all tire sizes same?
YES
The tire sizes are OK. Go to step 3.
NO
Replace the tire with the standard size.
3. Rear brake drag check:
Check for rear brake drag.
Are the rear brakes OK?
YES
The rear brakes are OK. Go to step 4.
NO
Inspect and repair the rear brakes.
4. Brake system indicator check:
Pull the electric parking brake switch to apply the parking brake.
Does the brake system indicator come on?
YES
The brake system indicator is OK. Go to step 5.
NO
Inspect and repair the brake system.
5. Rear differential fluid temperature sensor check:
- Check the parameter(s) below with the HDS.
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- Check the temperature of the rear differential fluid then compare it with the value checked in step 5-1.
Is the difference within Â+-54 ºF (Â+-30 ºC)?
YES
The rear differential fluid temperature sensor is OK. Go to step 6.
NO
Replace the rear differential fluid temperature sensor.
6. Rear differential fluid pressure sensor test:
Do the rear differential fluid pressure sensor test.
Is the test result OK?
YES
The system is OK at this time. Intermittent failure, the system is OK at this time. If the freeze data/onboard snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.
NO
Do the repair depending on the test result.
READ NEXT:
DTC C1861-9A (76-02): Vehicle Spin Detected (AWD)
NOTE:
Before you troubleshoot, review the General Troubleshooting Information
for the AWD with
intelligent control system.
When a vehicle spin is detected, DTC C1861-9A is set for the purpose of
DTC C1873-00 (16-04): Steering Angle Sensor Malfunction (AWD)
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.
Clear the DTC
DTC U3000-49 (78-XX): Control Module Internal Control Module
Malfunction (AWD)
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.
Clear the DTC
SEE MORE:
A/C Refrigerant Leak Check
*These tools are available through the Honda Tool and Equipment Program; call
888-424-6857
Special Tools Required
R134a A/C Automatic Recovery, Recycle, Recharge
Machine ROB48920T, commercially available
Leak Detector YGK-H-10PM*
Leak Detector HLD-100*
Leak Detector TIFZX-1*
OPTIMAX Jr. A/C Lea
Rear Brake Disc Inspection
Inspection
NOTE: Unless otherwise indicated, illustrations used in the procedure are for
2WD model.
1. Vehicle - Lift
2. Rear Wheels - Remove
3. Brake Pad - Remove
4. Brake Disc Thickness and Parallelism - Inspect
Using a micrometer (A), measure the brake disc thickness at eight
points, about
