Problem Symptoms Table
WARNING: This page is about a different car, the 2011 Lexus RX 350. 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.
SMART ACCESS SYSTEM WITH PUSH-BUTTON START
| Symptom | Suspected Area | See |
|---|---|---|
| Power Source Mode does not Change to ON (IG and ACC) | Smart access system with push-button start (for Entry function) | Refer to Power Source Mode does not Change to ON (IG and ACC) |
| AM2 fuse | - | |
| Power management control ECU | - | |
| Engine switch | - | |
| Wire harness or connector | - | |
| Power Source Mode does not Change to ON (IG) | AM2 fuse | Refer to Power Source Mode does not Change to ON (IG) |
| IG1 relay | - | |
| IG2 relay | - | |
| Instrument panel junction block assembly | - | |
| Engine room relay block | - | |
| Power management control ECU | - | |
| Wire harness or connector | - | |
| Power Source Mode does not Change to ON (ACC) | AM2 fuse | Refer to Power Source Mode does not Change to ON (ACC) |
| ACC relay | - | |
| Instrument panel junction block assembly | - | |
| Power management control ECU | - | |
| Wire harness or connector | - | |
| Engine does not Start | Smart access system with push-button start (for Entry function) | Refer to Engine does not Start |
| Starter relay | - | |
| Engine room relay block | - | |
| Park/neutral position switch | - | |
| Engine immobilizer system | - | |
| Steering lock system | - | |
| SFI system | - | |
| Power management control ECU | - | |
| Wire harness or connector | - |