| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001N5O3 |
| Model Year Start: 2021 | Model: Corolla | Prod Date Range: [04/2020 - 09/2022] |
| Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for HV Model): Hybrid System Indicator Malfunction; 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022] | ||
|
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.
-
Before replacing the hybrid vehicle control ECU, refer to Registration.
Click here
![2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION](/t3Portal/stylegraphics/info.gif)
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 |
|
GO TO HYBRID CONTROL SYSTEM for Nickel Metal Hydride Battery: Click here
for Lithium-ion Battery: Click here
|
|
|
3. |
READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Combination Meter / Data List.
(e) Read the Data List according to the display on the Techstream.
Body Electrical > Combination Meter > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
HV System Indicator |
Hybrid system indicator value |
Min.: -101%, Max.: 511% or Unset |
Current hybrid system indicator value |
"Unset" is displayed when the vehicle is stopped and the power switch is on (READY). |
Body Electrical > Combination Meter > Data List
|
Tester Display |
|---|
|
HV System Indicator |
OK:
Hybrid system indicator value displayed on the Techstream is almost the same as the hybrid system indicator indication.
| OK |
|
| NG |
|
|
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