Honda HR-V: AWD System Symptom Troubleshooting - AWD System Indicator Does Not Come ON (AWD)
1. Problem verification.
- Turn the vehicle to the ON mode.
Does the AWD system indicator come on?
YES
Intermittent failure, the system is OK at this time.
NO
The failure is duplicated. Go to step 2.
2. Gauge control module operation check.
- Do the gauge control module self-diagnostic function.
Does the AWD system indicator blink?
YES
Go to step 3.
NO
Replace the gauge control module.
3. AWD control unit check.
- Turn the vehicle to the OFF (LOCK) mode.
- Remove the following fuse.
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- Turn the vehicle to the ON mode.
Does the AWD system indicator come on?
YES
Update the AWD control unit if it does not have the latest software, or substitute a known-good AWD control unit, and recheck. If the symptom/indication goes away with the updated AWD control unit, troubleshooting is complete. If the symptom/indication goes away with a known-good AWD control unit, replace the original AWD control unit.
NO
Replace the gauge control module.
AWD SYSTEM SYMPTOM TROUBLESHOOTING - AWD SYSTEM INDICATOR DOES NOT GO OFF, AND NO DTCS ARE STORED (AWD)
NOTE: Do not jump the SCS line.
1. Problem verification.
- Test the battery. Charge or replace the battery if necessary.
- Turn the vehicle to the ON mode.
Does the AWD system indicator come on?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time.
2. HDS communication check.
- Check that the HDS communicates with the vehicle.
Does the HDS communicate with the vehicle?
YES
The HDS communication is OK. Go to step 3.
NO
Go to the DLC circuit troubleshooting - Refer to: Fuel and Emissions Systems DTC Troubleshooting Index (KA/KC), or CVT System DTC Troubleshooting Index (KA/KC CVT).
3. AWD with intelligent control system communication check.
- Check the Main Menu of the AWD WITH INTELLIGENT CONTROL with the HDS.
Does the HDS show the Main Menu of the AWD WITH INTELLIGENT CONTROL?
YES
The AWD with intelligent control system communication is OK. Go to step 4
NO
Go to the AWD symptom troubleshooting for HDS does not communicate - Refer to: AWD System Symptom Troubleshooting - HDS does not communicate (AWD),
4. AWD control unit status check 1.
- Check the parameter(s) below with the HDS.
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Do the current condition(s) match the threshold?
YES
Go to step 5.
NO
Go to step 7.
5. Gauge control module operation check.
- Do the gauge control module self-diagnostic function.
Does the AWD system indicator blink?
YES
The gauge control module is OK. Go to step 6.
NO
Replace the gauge control module.
6. Gauge control module DTC check.
- Check for DTCs in the METER system with the HDS.
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Is DTC indicated?
YES
Go to the indicated DTC's troubleshooting in the gauge control module.
NO
Update the AWD control unit if it does not have the latest software, or substitute a known-good AWD control unit, and recheck. If the symptom/indication goes away with the updated AWD control unit, troubleshooting is complete. If the symptom/indication goes away with a known-good AWD control unit, replace the original AWD control unit.
7. AWD control unit status check 2.
- Check the parameter(s) below with the HDS.
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Do the current condition(s) match the threshold?
Longitudinal G sensor learning is incomplete
Do the G SENSOR LEARNING in the ADJUSTMENT with the HDS.
Air purge for rear differential is incomplete
Do the ECU REPLACEMENT in the ADJUSTMENT with the HDS.
AWD operation check is incomplete
Do the ECU REPLACEMENT in the ADJUSTMENT with the HDS.
AWD SYSTEM SYMPTOM TROUBLESHOOTING - AWD SYSTEM IS STUCK IN AWD MODE (AWD)
1. Problem verification (rear differential clutch test).
- Do the rear differential clutch test.
Is the test result OK?
YES
Go to step 2.
NO
The failure is duplicated. Do the repair depending on the test result.
2. Oil pressure control check.
- Turn the vehicle to the ON mode.
- Select FUNCTIONAL TEST in the AWD WITH INTELLIGENT CONTROL with the HDS.
- Do the OIL PRESSURE CONTROL TEST in the FUNCTIONAL TEST with the HDS.
Oil Pressure Control Test
Is the test result OK?
YES
Check the following items.
- Check the rear differential fluid level and the fluid condition.
- Check for rear differential fluid leaks.
- Do the rear differential fluid pressure sensor test.
NO
Follow the instructions indicated on the HDS according to the test result.
READ NEXT:
AWD System Symptom Troubleshooting - Abnormal Noise (AWD)
NOTE: If necessary, compare the noise with a known-good vehicle of the same
type. If the noise is remarkably
abnormal, do the following troubleshooting.
1. Problem verification (abnormal noise check)
AWD System Symptom Troubleshooting - Will Not Go Into AWD Mode, Poor
Traction, Poor Acceleration (AT Start), Poor Climbing Ability (AWD)
1. Rear differential clutch check.
Do the rear differential clutch test.
Is the test result OK?
YES
Check the following items.
Check the rear differential fluid level and the fluid condition.
Ch
Abnormal Noise (AT Accelerate) (AWD)
Probable Cause
Gear noise
Poor gear mesh between ring gear and drive pinion
Hypoid gear (wear or damage)
Poor pre-road (drive pinion)
Debris in hypoid gear area
Fluid level too low
Distortion o
SEE MORE:
Mainshaft Disassembly, Reassembly, and Inspection (M/T)
Special Tools Required
Driver Handle, 40 mm I.D. 07746-0030100
Driver, 30 mm I.D. 07946-MB00000
Disassembly
NOTE: Refer to the Exploded View as needed during this procedure.
1. Mainshaft - Disassemble
Support 6th gear (A) on steel blocks, and press the mainshaft out of the
angular ball
beari
Transfer Assembly Disassembly and Reassembly (CVT)
Special Tools Required
Oil Seal Driver Attachment, 58 mm 07JAD-PH80101
Holder, Companion 07PAB-0020000
Driver, 32.5 mm 070AD-SAA0100
Driver Handle, 15 x 135L 07749-0010000
Exploded View
1. Transfer Assembly - Exploded View
Fig. 56: Exploded View Of Transfer Assembly With Torque Specifications
D
