Problem Symptoms Table
WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
If a normal system code is displayed during the DTC check but the problem still occurs, check the circuits for each problem symptom in the order given in the table below. For details refer to the "See" below.
SMART KEY SYSTEM
| Symptom | Suspected Area | See |
|---|---|---|
| Engine switch does not turn on (IG and ACC) | 1. Smart key system operation inspection (on the seat) | Refer to ON-VEHICLE INSPECTION |
| 2. AM1 and AM2 circuit (B2271) | Refer to DTC B2271: Ignition Hold Monitor Malfunction | |
| 3. Engine switch circuit (B2278) | Refer to DTC B2278: Engine Switch Circuit Malfunction | |
| 4. Ground circuit (Power source control ECU - Body ground) | Refer to TERMINALS OF ECU | |
| 5. Replace power source control ECU | - | |
| Engine switch does not turn on (ACC) | 1. AM1 and AM2 circuit (B2271) | Refer to DTC B2271: Ignition Hold Monitor Malfunction |
| 2. ACCD circuit (B2274) | Refer to DTC B2274: ACC Monitor Malfunction | |
| 3. Ground circuit (Power source control ECU - Body ground) | Refer to TERMINALS OF ECU | |
| 4. Replace power source control ECU | - | |
| Engine switch does not turn on (IG) | 1. AM1 AM2 circuit (B2271) | Refer to DTC B2271: Ignition Hold Monitor Malfunction |
| 2. IG1D circuit (B2272) | Refer to DTC B2272: Ignition 1 Monitor Malfunction | |
| 3. IG2D circuit (B2273) | Refer to DTC B2273: Ignition 2 Monitor Malfunction | |
| 4. Ground circuit (Power source control ECU - Body ground) | Refer to TERMINALS OF ECU | |
| 5. Replace power source control ECU | - | |
| Engine switch does not turn on (START) | 1. Stop light switch circuit (B2284) | Refer to DTC B2284: Brake Signal Malfunction |
| 2. Starter relay circuit | Refer to Starter Relay Circuit | |
| 3. SFI system | Refer to PROBLEM SYMPTOMS TABLE | |
| 4. Replace power source control ECU | - | |
| Engine switch indicator light does not come on | Engine switch indicator light circuit | Refer to Engine Switch Indicator Circuit |