| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM10000000257AD |
| Model Year Start: 2023 | Model: GR Corolla | Prod Date Range: [09/2022 - ] |
| Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (except 12.3 Inch Display): Hybrid System Indicator Malfunction; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - ] | ||
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Hybrid System Indicator Malfunction |
DESCRIPTION
A hybrid system indicator has been included on this vehicle. In this circuit, the combination meter assembly receives the hybrid system indicator signal from the hybrid vehicle control ECU via CAN communication. The combination meter assembly controls the operation of the hybrid system indicator according to the hybrid system indicator signal received from the hybrid vehicle control ECU via CAN communication.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
-
When replacing any of the following ECUs, update the ECU security key.
Click here
![2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - ]; SETUP: WHEN REPLACING OR REMOVING/INSTALLING PARTS: UPDATE ECU SECURITY KEY](/t3Portal/stylegraphics/info.gif)
- Combination meter assembly
- Hybrid vehicle control ECU
-
Before replacing the hybrid vehicle control ECU, refer to Registration.
Click here
PROCEDURE
|
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check if CAN communication DTCs are output.
Click here
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTCs are output |
B |
| B |
|
|
|
2. |
CHECK FOR DTC (HYBRID CONTROL SYSTEM) |
(a) Check if hybrid control system DTCs are output.
Powertrain > Hybrid Control > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTCs are output |
B |
| B |
|
|
|
3. |
READ VALUE USING GTS |
(a) Read the Data List according to the display on the GTS.
Body Electrical > Combination Meter > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
HV/EV System Indicator |
Hybrid system indicator value |
Min.: -101%, Max.: 511% or Unset |
See [Normal Condition 1] |
"Unset" is displayed when the vehicle is stopped and the ignition switch is ON (READY). |
HINT:
[Normal Condition 3]: HV/EV System Indicator
-
Refer to the following table to find the approximate indicated value of the hybrid system indicator based on the value of the Data List item:
Data List: HV/EV System Indicator (%)
Hybrid System Indicator Indication
Unset
Not indicated
-100
Approximately 1 is indicated
-50
Approximately 2 is indicated
0
Approximately 3 is indicated
50
Approximately 4 is indicated
100
Approximately 5 is indicated
200
Approximately 6 is indicated
300
Approximately 7 is indicated
400
Approximately 8 is indicated
500
Approximately 9 is indicated
*A
for 7 Inch Type Multi-information Display
Body Electrical > Combination Meter > Data List
|
Tester Display |
|---|
|
HV/EV System Indicator |
|
Result |
Proceed to |
|---|---|
|
The value displayed in the Data List and on the hybrid system indicator approximately match |
A |
|
The value displayed in the Data List and on the hybrid system indicator do not match |
B |
| A |
|
| B |
|
REPLACE COMBINATION METER ASSEMBLY
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|
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