Problem Symptoms Table
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 Key SystemSymptom | Suspected Area | See page |
|---|---|---|
Power Source Mode does not Change to ON (IG and ACC) |
Smart key system (for Entry function) |
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AM2 fuse |
- |
|
Power management control ECU |
- |
|
Engine switch |
- |
|
Wire harness or connector |
- |
|
Power Source Mode does not Change to ON (IG) |
AM2 fuse |
|
IG1 relay |
- |
|
IG2 relay |
- |
|
Main body ECU (Driver side 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 |
|
ACC relay |
- |
|
Main body ECU (Driver side junction block assembly) |
- |
|
Power management control ECU |
- |
|
Wire harness or connector |
- |
|
Engine does not Start |
Smart key system (for Entry function) |
|
Starter relay |
- |
|
Engine room relay block |
- |
|
Park/neutral position switch |
- |
|
Engine immobiliser system |
- |
|
Steering lock system |
- |
|
SFI system |
- |
|
Power management control ECU |
- |
|
Wire harness or connector |
- |
Test yourself
A quick Toyota Venza quiz: every answer comes with an explanation and a link to the manual page.