| Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM100000001KNE3 |
| Model Year Start: 2020 | Model: RAV4 | Prod Date Range: [10/2019 - 10/2023] |
| Title: STOP AND START: STOP AND START SYSTEM: PROBLEM SYMPTOMS TABLE; 2020 - 2023 MY RAV4 [10/2019 - 10/2023] | ||
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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Stop and Start System
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Stop and start system does not operate |
Stop and start system operation prohibition based on the battery conditions (Refer to "Stop and Start System does not Operate (Battery Condition)") |
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Engine hood courtesy switch circuit |
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Driver door courtesy switch circuit (system prohibits control) |
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Driver door courtesy switch circuit (CAN communication DTC U014087) |
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Driver door courtesy switch circuit |
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Driver seat belt buckle switch circuit (system prohibits control) |
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Driver seat belt buckle switch circuit (CAN communication DTC U014087) |
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|
Front seat inner belt assembly LH |
|
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|
Air conditioning system (system prohibits control) |
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|
Air conditioning system |
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Brake booster vacuum is low (system prohibits control) |
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|
Brake booster vacuum is low |
|
|
|
Backup boost converter circuit |
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|
Park/Neutral position switch assembly circuit |
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|
Starter signal circuit |
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STA signal circuit |
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Starter inrush current reduction relay circuit |
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|
Crankshaft position sensor |
|
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|
ECM |
|
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|
Vacuum sensor assembly |
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|
Brake booster assembly |
|
|
|
Oil pump with solenoid assembly (for 2WD) |
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Oil pump with solenoid assembly (for AWD) |
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|
Starter assembly |
|
|
|
The deceleration sensor zero point calibration is performed |
|
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Deceleration sensor (airbag ECU assembly) |
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|
Skid control ECU (brake actuator assembly) |
|
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|
CAN communication system |
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|
Engine stop and start ECU |
|
|
|
Battery*1 |
|
|
|
Wire harness or connector |
- |
|
|
Starter assembly does not operate |
Battery |
|
|
Starter assembly |
|
|
|
Park/Neutral position switch assembly (for 2WD) |
|
|
|
Park/Neutral position switch assembly (for AWD) |
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|
Smart key system (for start function) |
|
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|
Starter signal circuit (SFI system) |
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|
|
Starter signal circuit |
|
|
|
Cranking speed decreases |
Battery |
|
|
Starter inrush current reduction relay circuit |
|
|
|
Starter assembly |
|
|
|
Stop and start cancel indicator does not operate |
Combination meter assembly |
|
|
Indicator circuit (CAN communication system) |
|
|
|
Engine stop and start ECU |
|
|
|
Stop and start indicator does not operate |
Combination meter assembly |
|
|
Indicator circuit (CAN communication system) |
|
|
|
Engine stop and start ECU |
|
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|
Stop and start control cannot be canceled |
ECAN terminal voltage |
|
|
Stop and start cancel switch circuit |
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|
Engine not stopped by stop and start control (stop and start operation prohibited) |
Engine hood courtesy switch circuit |
|
|
Driver side door courtesy switch circuit |
|
|
|
Stop light switch assembly |
|
|
|
Engine stop and start ECU |
|
|
|
Multi-information display screen does not change after pressing steering pad switch assembly |
Stop and start priority control system |
|
|
Multi-information display screen changes without pressing steering pad switch assembly |
Stop and start priority control system |
|
|
An interruption message is not displayed in the combination meter assembly when the stop and start system cancel switch (eco run cancel switch assembly) is pressing and holding |
Stop and start priority control system |
|
|
The control mode changes but an interruption message is not displayed in the combination meter assembly |
Stop and start priority control system |
|
|
The control mode does not change but an interruption message is displayed in the combination meter assembly |
Stop and start priority control system |
|
|
Control mode returns to default mode after turning ignition switch to ON |
Stop and start priority control system |
|
-
*1: If the vehicle has not been used for a long time, the battery charge may be low and stop and start control operation may be prohibited. In this case, recharge the battery, initialize the integrated current value*2 and drive the vehicle approximately 5 to 40 minutes until stop and start control operation is permitted.
*2: Use the Techstream to perform Integrated Current Value Initialization.
Click here
![2020 - 2021 MY RAV4 [10/2019 - 12/2021]; STOP AND START: STOP AND START SYSTEM: REGISTRATION](/t3Portal/stylegraphics/info.gif)
HINT:
If the Data List item "Integrated Current" is A-sec or more, it is not necessary to perform initialization.
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