Problem Symptoms Table [08/2013 - ]
WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
TIRE PRESSURE WARNING SYSTEM
| Symptom | Suspected Area | See |
|---|---|---|
| Tire pressure warning light does not illuminate despite tire pressure decreasing | Initialization | Refer to INITIALIZATION [08/2013 - ] |
| Check Data List (ID Tire Inflation Pressure) | Refer to DATA LIST / ACTIVE TEST [08/2013 - ] | |
| ID code check (Registration) | Refer to REGISTRATION [08/2013 - ] | |
| Tire pressure warning light remains illuminated (Goes off during initial check) | Tire pressure warning light circuit | Refer to Tire Pressure Warning Light Circuit [08/2013 - ] |
| Tire pressure warning light remains illuminated (Illuminates during initial check) | Check Data List (ID Tire Inflation Pressure) | Refer to DATA LIST / ACTIVE TEST [08/2013 - ] |
| Tire pressure adjustment | Refer to INSPECTION [08/2013 - ] | |
| ID code check (Registration) | Refer to REGISTRATION [08/2013 - ] | |
| Initialization | Refer to INITIALIZATION [08/2013 - ] | |
| Initialization cannot be done | Tire pressure warning reset switch | Refer to DTC C2198/98: Initialization Switch (for Test Mode DTC) [08/2013 - ] |
| DTC check cannot be done using SST check wire | TC and CG terminal circuit | Refer to TC and CG Terminal Circuit [08/2013 - ] |
| ECU power source circuit | Refer to ECU Power Source Circuit [08/2013 - ] |