| Rear differential overheats |
- Fluid level too low
- Incorrect fluid type
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- Add recommended fluid
- Drain and fill the differential with the recommended fluid
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| Rear differential leaks fluid |
- Fluid level too high
- Clogged breather hose
- Worn or damaged oil seal
- Damaged sealing washer
- Loose mounting bolts or inadequate sealing
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- Lower to proper level
- Clean or replace
- Replace the oil seal
- Replace the sealing washer
- Recheck torque or apply sealant
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| HDS does not communicate with vehicle |
|
TROUBLESHOOTING THE DLC CIRCUIT |
| HDS does not communicate with real time AWD control unit |
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Do the symptom troubleshooting for HDS does not communicate |
| AWD system indicator does not come on |
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Do the symptom troubleshooting for AWD system indicator does not come on |
| AWD system indicator does not go off, and no DTCs are stored |
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Do the symptom troubleshooting for AWD system indicator does not go off, and no DTCs are stored |
| Will not go into 4WD mode, Poor traction, Poor acceleration (at start), Poor climbing ability |
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Do the symptom troubleshooting for Will not go into 4WD mode, Poor traction, Poor acceleration (at start), Poor climbing ability |
| Real Time AWD System is stuck in 4WD mode |
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Do the symptom troubleshooting for Real Time AWD System is stuck in 4WD mode |
| Abnormal noise |
- Gear noise
- Poor meshing hypoid gear (ring gear and drive pinion)
- Hypoid gear (wear or damage)
- Poor pre-road (drive pinion)
- Dust got into hypoid gear area
- Fluid level too low
- Distortion of the differential carrier case
- Bearing noise
- Bearing (wear or damage)
- Drive pinion taper bearing (wear)
- Dust got into bearing
- Pump noise (at lubrication)
- Dust got into pump
- Rotor (wear or damage)
- Torque shortage
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Do the symptom troubleshooting for Abnormal noise |
| Abnormal noise (at start) |
- Gear noise
- Poor meshing hypoid gear (ring gear and drive pinion)
- Hypoid gear (wear or damage)
- Poor pre-road (drive pinion)
- Dust got into hypoid gear area
- Fluid level too low
- Distortion of the differential carrier case
- Excessive backlash (hypoid gear)
- Excessive backlash (differential gear)
- Differential side gear spline (wear)
- Bearing noise
- Bearing (wear or damage)
- Drive pinion taper bearing (wear)
- Dust got into bearing
- Pump noise (at lubrication)
- Dust got into pump
- Rotor (wear or damage)
- Rear differential pump motor noise
- Bearing (wear or damage)
- Dust got into rear differential pump motor
- Pump noise (at control)
- Dust got into pump
- Rotor (wear or damage)
- Rear differential solenoid valve noise
- Dust got into rear differential solenoid valve
- Plunger area or shaft area (wear)
- Rear differential solenoid valve (wear or damage)
- Clutch chatter
- Fluid deterioration
- Clutch facing (burnt or deterioration)
- Clutch plate (deterioration)
- Torque shortage
|
| Abnormal noise (at accelerate) |
- Gear noise
- Poor meshing hypoid gear (ring gear and drive pinion)
- Hypoid gear (wear or damage)
- Poor pre-road (drive pinion)
- Dust got into hypoid gear area
- Fluid level too low
- Distortion of the differential carrier case
- Excessive backlash (hypoid gear)
- Excessive backlash (differential gear)
- Differential side gear spline (wear)
- Bearing noise
- Bearing (wear or damage)
- Drive pinion taper bearing (wear)
- Dust got into bearing
- Pump noise (at lubrication)
- Dust got into pump
- Rotor (wear or damage)
- Rear differential pump motor noise
- Bearing (wear or damage)
- Dust got into rear differential pump motor
- Pump noise (at control)
- Dust got into pump
- Rotor (wear or damage)
- Rear differential solenoid valve noise
- Dust got into rear differential solenoid valve
- Plunger area or shaft area (wear)
- Rear differential solenoid valve (wear or damage)
- Clutch chatter
- Fluid deterioration
- Clutch facing (burnt or deterioration)
- Clutch plate (deterioration)
- Torque shortage
|
| Abnormal noise (at turning) |
- Gear noise
- Poor meshing hypoid gear (ring gear and drive pinion)
- Hypoid gear (wear or damage)
- Poor pre-road (drive pinion)
- Dust got into hypoid gear area
- Fluid level too low
- Distortion of the differential carrier case
- Bearing noise
- Bearing (wear or damage)
- Drive pinion taper bearing (wear)
- Dust got into bearing
- Differential gear noise
- Side gear and pinion gear (wear or damage)
- Pinion shaft (damage)
- Dust got into differential gear area
- Clutch chatter
- Fluid deterioration
- Clutch facing (burnt or deterioration)
- Clutch plate (deterioration)
- Torque shortage
|
| Abnormal noise (at turning and accelerate) |
- Gear noise
- Poor meshing hypoid gear (ring gear and drive pinion)
- Hypoid gear (wear or damage)
- Poor pre-road (drive pinion)
- Dust got into hypoid gear area
- Fluid level too low
- Distortion of the differential carrier case
- Excessive backlash (hypoid gear)
- Excessive backlash (differential gear)
- Differential side gear spline (wear)
- Bearing noise
- Bearing (wear or damage)
- Drive pinion taper bearing (wear)
- Dust got into bearing
- Differential gear noise
- Side gear and pinion gear (wear or damage)
- Pinion shaft (damage)
- Dust got into differential gear area
- Pump noise (at lubrication)
- Dust got into pump
- Rotor (wear or damage)
- Rear differential pump motor noise
- Bearing (wear or damage)
- Dust got into rear differential pump motor
- Pump noise (at control)
- Dust got into pump
- Rotor (wear or damage)
- Rear differential solenoid valve noise
- Dust got into rear differential solenoid valve
- Plunger area or shaft area (wear)
- Rear differential solenoid valve (wear or damage)
- Clutch chatter
- Fluid deterioration
- Clutch facing (burnt or deterioration)
- Clutch plate (deterioration)
- Torque shortage
|