Toyota Highlander
Technical specifications of air conditioning and 6 documented fault patterns from real workshop repairs.
Most Common A/C Problems
A/C cooling is weak and gradually loses performance
High Priority100%
Weak cabin cooling
Details
Air conditioning stopped cooling / no response to AC button
High Priority95%
Problem appears while drivingFrost or ice on pipes under the hoodSlow loss of refrigerant
Details
Air conditioning stopped cooling / no response to AC button
85%
Problem appears while drivingFrost or ice on pipes under the hoodSlow loss of refrigerant
Details
Hissing from vents and slow loss of refrigerant
High Priority100%
Irregular A/C operation
Details
Asymmetric cooling (driver/passenger different temperature)
80%
Different temperature on both sides of the cabinMusty mold odor from ventsWater dripping into cabin or wet carpetsFogging windows
Details
Hissing from vents and slow loss of refrigerant
High Priority98%
Musty mold odor from vents
Details
A/C Technical Specifications
| Variant | Refrigerant | Amount (g) | Oil | Oil (ml) |
|---|---|---|---|---|
| Standard | R134a | 820g | ND8 PAO 68 AA1 lub PAG ISO 46 b.d. Ipsum | 1996 – 01ml |
| Standard | R134a | 750g | ND8 PAO 68 AA1 lub PAG ISO 46 b.d. | b.d.ml |
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Summary
- Documented faults
- 6
- Engine variants
- 2
- Average confidence
- 93%