Toyota Yaris: Charging System / Data List / Active Test
DATA LIST / ACTIVE TEST
DATA LIST
NOTICE:
In the table below, the values listed under Normal Condition are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.
HINT:
Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.
(a) Warm up the engine.
(b) Turn the ignition switch off.
(c) Connect the GTS to the DLC3.
(d) Turn the ignition switch to ON.
(e) Turn the GTS on.
(f) Enter the following menus: Powertrain / Engine / Data List.
(g) According to the display on the GTS, read the Data List.
Powertrain > Engine > Data List| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Battery Voltage | Auxiliary battery voltage | Min.: 0.0 V Max.: 65.5 V | 11 to 14 V (Idling) | If the result is not as specified, abnormal auxiliary battery voltage is suspected. |
| Battery Sensor Voltage | Auxiliary battery sensor voltage | Min.: 0.000 V Max.: 79.998 V | 11 to 14 V (Idling) | - |
| Battery Current | Auxiliary battery current | Min.: -125.0 A Max.: 124.9 A | Changes according to alternator output (While driving after engine warmed up) | If the result is not as specified, a malfunction of LIN communication is suspected. |
| Battery Temperature | Auxiliary battery temperature | Min.: -40.0°C (-40°F) Max.: 6513.5°C (11756°F) | Changes according to actual temperature (While driving after engine warmed up) | If the result is not as specified, a malfunction of LIN communication is suspected. |
| Alternator Output Duty Ratio | Generator output duty | Min.: 0.0% Max.: 399.9% | Changes in accordance with the generator output | If the result is not as specified, a malfunction of the charging control system is suspected. |
| Status of Alternator Temperature High | Alternator high temperature status | ON/OFF | - | ON: Alternator temperature is high |
| Alternator Voltage - Non Active Test | Requested voltage when regulator forced drive is not executed | Min.: 0.000 V Max.: 79.998 V | 12.5 to 14.8 V (After engine start (Varies with auxiliary battery temperature or driving conditions)) | Active Test support data |
| Voltage of Alternator | Requested voltage when regulator forced drive is executed | Min.: 0.0 V Max.: 79.9 V | Required instruction voltage value when the Active Test "Control the Voltage of Alternator" is executed (12.5 to 14.8 V): After engine started | Malfunction of the charging control system can be the cause of malfunction |
| Auxiliary Battery Charging Rate Feedback Value | Collection value for SOC based on auxiliary battery full charging. | Min.: 0.0% Max.: 6553.5% | - | - |
| Auxiliary Battery Charging Rate Controlling Value | SOC value recognized by charging control system. | Min.: 0.0% Max.: 6553.5% | - | Changes in accordance with the Data List "Auxiliary Battery Charging Rate Feedback Value". |
HINT:
Normal Condition: If no idling conditions are specified, the shift lever should be in N or P, and the A/C switch and all accessory switches should be off.
ACTIVE TEST
HINT:
Using the GTS to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.
(a) Connect the GTS to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the GTS on.
(d) Enter the following menus: Powertrain / Engine / Active Test.
(e) According to the display on the GTS, perform the Active Test.
Powertrain > Engine > Active Test| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| Control the Voltage of Alternator | Requested output voltage of generator regulator during forced activation | Between 12.5 and 14.8 V |
|
Fail-safe Chart
FAIL-SAFE CHART If any of the following DTCs are stored, the ECM enters fail-safe mode to allow the vehicle to be driven temporarily. DTC No. Fail-safe Operation Fail-safe Deactivation Condition P058A01 P062049 P065C07 P160200 P161A87 P162B87 Generator command is fixed...
Other information:
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Fuel Gauge
The fuel gauge shows approximately how much fuel is remaining in the tank when the ignition is switched ON. We recommend keeping the tank over 1/4 full.
