Lexus ES: Vehicle Control History
VEHICLE CONTROL HISTORY
VEHICLE CONTROL HISTORY (HYBRID BATTERY SYSTEM)
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / HV battery / Utility / Vehicle Control History (RoB).
Powertrain > HV Battery > Utility| Tester Display |
|---|
| Vehicle Control History (RoB) |
HINT:
- If any of the conditions in the "Cause" column are met, data related to the Vehicle Control History item "Ready ON Prevention", "Hybrid/EV Battery Cooling Performance Decrement" or "Limit to Charge / Discharge Control Value by Hybrid/EV Battery" will be stored in the battery ECU assembly.
- When the Vehicle Control History item "Ready ON Prevention" is stored, the vehicle condition will be as shown in the Symptom column.
| FFD Group | Code | Symptom | Cause | Vehicle Control History Data | Procedure |
|---|---|---|---|---|---|
| - | X0460 | Hybrid/EV Battery Cooling Performance Decrement | History of poor HV battery cooling performance |
| |
| 03 | X0540 | Ready ON Prevention | Incorrect HV battery is installed (Power switch does not turn on (READY).) |
"Hi" is displayed for both of these items when they are normal. If "Lo" is displayed for either item, the power switch cannot be turned on (READY) due to an incorrect HV supply stack sub-assembly having been installed. | Replace the HV supply stack sub-assembly with a correct one. |
| Incorrect ECM is installed (Power switch does not turn on (READY).) | Number of Hybrid Battery Mismatch Judgment with Engine ECU "0" is displayed for this item when it is normal. If a value of "3" or higher is displayed for this item, the power switch cannot be turned on (READY) due to an incorrect ECM having been installed. | Check the part number and replace the ECM with a correct one. | |||
| Battery diagnosis request was ignored (Power switch does not turn on (READY).) | Hybrid/EV Battery Check Status Light Request If a value of "6" or higher is displayed for this item and no other conditions are preventing the power switch from being turned on (READY), the power switch cannot be turned on (READY) due to Battery Diagnosis not being performed and the vehicle being driven for a certain amount of time after "Have Traction Battery Inspected" was displayed on the multi-information display. | Perform Battery Diagnosis using the Techstream. | |||
| High voltage wire harness between HV supply stack sub-assemblies is disconnected (Power switch does not turn on (READY).) | High Voltage Line between Stack Engaged If "ON" is displayed for this item, the power switch cannot be turned on (READY) as the high voltage wire harness connecting 2 or more HV supply stack sub-assemblies is disconnected. | Inspect the high voltage wire harnesses connecting the HV supply stack sub-assemblies. | |||
| Excessive engine cranking requests when HV battery cannot be used (Power switch does not turn on (READY).) | Number of Cranking when No Hybrid/EV Battery If a value higher than "15" is displayed for this item, the power switch cannot be turned on (READY) as engine cranking operation requests have exceeded a threshold when the HV battery could not be used. | Repair the malfunctions indicated by the output DTCs and clear the DTCs. | |||
| Extremely low HV battery temperature judgment (Power switch does not turn on (READY).) | Hybrid Battery Extremely Low Temperature Judgment If "ON" is displayed for this item, the power switch cannot be turned on (READY) as the temperature of the HV battery is extremely low. The values of "HV Battery Temperature 1 to 6" and "Hybrid/EV Battery Cooling Fan Intake Air Temperature 1" can be used as a reference. | Wait for the HV battery temperature to increase. | |||
| High HV battery cell voltage (The power switch is slow to turn on (READY).) |
| Perform troubleshooting for any DTCs that are output. | |||
| Low HV battery cell voltage (The power switch is slow to turn on (READY).) |
| Perform troubleshooting for any DTCs that are output. | |||
| 11 | X0570 | Limit to Charge / Discharge Control Value by Hybrid/EV Battery | History of HV battery charge/discharge being restricted If the temperature of the HV battery becomes approximately 40°C (104°F) or higher due to high ambient temperature, continuous driving under high load, clogged hybrid battery intake duct, etc., the HV battery current will be restricted. In this case the value of WIN/WOUT will decrease and the engine will stop and start less frequently. |
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VEHICLE CONTROL HISTORY DATA (HYBRID BATTERY SYSTEM)
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / HV battery / Utility / Vehicle Control History.
Powertrain > HV Battery > Utility| Tester Display |
|---|
| Vehicle Control History |
(e) Select a vehicle control history item to access the applicable data.
(f) Check the freeze frame Data recorded with the Vehicle Control History.
| Techstream Display | Description |
|---|---|
| Atmospheric Pressure | Atmospheric pressure |
| Smoothed Value of BATT Voltage | Smoothed value of auxiliary battery voltage |
| Total Distance Traveled | Drive total distance |
| Total Distance Traveled - Unit | Drive total distance unit |
| WIN Control Limit Power | Power flowing to HV battery (Charging) (detected at battery ECU assembly) |
| WOUT Control Limit Power | Power flowing from HV battery (Discharging) (detected at battery ECU assembly) |
| Hybrid/EV Battery SOC | HV battery state of charge Primary calculated from charging and discharging amperage |
| Hybrid/EV Battery Stack 1 Cell Minimum SOC | No. 1 HV supply stack sub-assembly cell Minimum SOC |
| Hybrid/EV Battery Stack 1 Cell Maximum SOC | No. 1 HV supply stack sub-assembly cell maximum SOC |
| Hybrid/EV Battery Stack 2 Cell Minimum SOC | No. 2 HV supply stack sub-assembly cell Minimum SOC |
| Hybrid/EV Battery Stack 2 Cell Maximum SOC | No. 2 HV supply stack sub-assembly cell maximum SOC |
| Hybrid/EV Battery Current for Hybrid/EV Battery Control | HV battery current for hybrid battery control |
| Hybrid/EV Battery Current for Hybrid/EV Battery Control (Sub) | HV battery current for hybrid battery control (Sub) |
| Hybrid/EV Battery Control Mode | HV battery control mode |
| Hybrid/EV Battery Check Status Light Request | Hybrid battery check status light request |
| Hybrid/EV Battery Determination Signal 1 | HV battery signal |
| Hybrid/EV Battery Determination Signal 2 | HV battery signal |
| Vehicle Model and HV/EV Battery ECU Coordination | Vehicle model and HV battery ECU coordination |
| Hybrid/EV Battery Extremely Low Temperature Judgment | Hybrid battery extremely low temperature Judgment |
| High Voltage Line between Stack Engaged | High voltage line between stack engaged ON: Connection, OFF: Non-connection |
| Hybrid/EV Battery Cell Type Determination | Hybrid battery cell type determination |
| Hybrid/EV Battery Stack 1 Cell Average Voltage | No. 1 HV supply stack sub-assembly cell average voltage |
| Hybrid/EV Battery Stack 2 Cell Average Voltage | No. 2 HV supply stack sub-assembly cell average voltage |
| Hybrid/EV Battery Block 1 Cell Average Voltage | HV battery block 1 cell average voltage |
| Hybrid/EV Battery Block 2 Cell Average Voltage | HV battery block 2 cell average voltage |
| Hybrid/EV Battery Block 3 Cell Average Voltage | HV battery block 3 cell average voltage |
| Hybrid/EV Battery Stack 1 Cell Minimum Voltage | No. 1 HV supply stack sub-assembly cell Minimum Voltage |
| Hybrid/EV Battery Stack 1 Cell Maximum Voltage | No. 1 HV supply stack sub-assembly cell maximum voltage |
| Hybrid/EV Battery Stack 2 Cell Minimum Voltage | No. 2 HV supply stack sub-assembly cell Minimum Voltage |
| Hybrid/EV Battery Stack 2 Cell Maximum Voltage | No. 2 HV supply stack sub-assembly cell maximum voltage |
| Hybrid/EV Battery Cell 1 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 2 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 3 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 4 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 5 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 6 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 7 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 8 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 9 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 10 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 11 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 12 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 13 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 14 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 15 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 16 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 17 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 18 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 19 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 20 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 21 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 22 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 23 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 24 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 25 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 26 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 27 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 28 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 29 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 30 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 31 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 32 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 33 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 34 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 35 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 36 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 37 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 38 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 39 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 40 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 41 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 42 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 43 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 44 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 45 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 46 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 47 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 48 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 49 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 50 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 51 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 52 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 53 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 54 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 55 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 56 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 57 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 58 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 59 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 60 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 61 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 62 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 63 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 64 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 65 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 66 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 67 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 68 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 69 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Cell 70 Internal Resistance | Internal resistance of each battery cell |
| Hybrid/EV Battery Temperature 1 | HV Battery module temperature |
| Hybrid/EV Battery Temperature 2 | HV Battery module temperature |
| Hybrid/EV Battery Temperature 3 | HV Battery module temperature |
| Hybrid/EV Battery Temperature 4 | HV Battery module temperature |
| Hybrid/EV Battery Temperature 5 | HV Battery module temperature |
| Hybrid/EV Battery Temperature 6 | HV Battery module temperature |
| Hybrid/EV Battery Cooling Fan 1 Integrated Airflow | Battery cooling blower assembly integrated airflow |
| Hybrid/EV Battery Cooling Fan Intake Air Temperature 1 | Battery cooling blower assembly intake air temperature |
| Number of Cranking when No Hybrid/EV Battery | Number of cranking when no HV battery |
| Number of Hybrid Battery Mismatch Judgment with Engine ECU | Number of HV battery mismatch Judgment with ECM |
| Hybrid/EV Battery Stack 1 Current Interrupt Device | No. 1 HV supply stack sub-assembly current interrupt device |
| Hybrid/EV Battery Stack 2 Current Interrupt Device | No. 2 HV supply stack sub-assembly current interrupt device |
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DESCRIPTION The battery ECU assembly monitors its internal operation and will store these DTCs when it detects an internal malfunction. DTC No. Detection Item DTC Detection Condition Trouble
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Right Headlight ECU Malfunction (B242C,B242D)
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Screen Flicker or Color Distortion
PROCEDURE 1. CHECK DISPLAY SETTING (a) Reset display settings (contrast, brightness) and check that the screen appears normal. OK: The display returns to normal. OK END (DISPLAY SETTING WAS CAUSE OF MALFUNCTION) NG PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TA
