| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM1000000026Q1K |
| Model Year Start: 2023 | Model: Corolla HV | Prod Date Range: [09/2022 - ] |
| Title: HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY with PA10): C134800; Different Diameter Tire; 2023 - 2025 MY Corolla HV [09/2022 - ] | ||
|
DTC |
C134800 |
Different Diameter Tire |
DESCRIPTION
If the hybrid vehicle control ECU receives a signal from the skid control ECU that the AWD system is malfunctioning, the hybrid vehicle control ECU outputs this DTC.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
Warning Indicate |
Note |
|---|---|---|---|---|---|---|
|
C134800 |
Different Diameter Tire |
The vehicle is being driven in a straight line at a constant speed of 30 km/h (19 mph) or more, and the wheel speeds differ between front and rear significantly. (1 trip detection logic) |
|
Does not come on |
Master Warning: Does not come on |
SAE Code: C1348 |
PROCEDURE
|
1. |
CHECK TIRES |
(a) Check the tire sizes to ensure that the front and rear tire sizes are not different.
Click here
![2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; TIRE / WHEEL: TIRE AND WHEEL SYSTEM: INSPECTION](/t3Portal/stylegraphics/info.gif)
HINT:
If different tire sizes are discovered, replace the tires so that the tire sizes are the same on all 4 wheels.
(b) Adjust the air pressure in the tires.
Click here
|
|
2. |
RECONFIRM DTC |
(a) Clear the DTCs.
Powertrain > Hybrid Control > Clear DTCs
(b) Drive the vehicle at a speed of 30 km/h (19 mph) or more.
(c) Check if the same DTC is output.
Powertrain > Hybrid Control > Trouble Codes
(d) Check that no speed sensor DTCs are output.
Chassis > Brake/EPB > Trouble Codes
HINT:
-
If C134800 and electronically controlled brake system DTCs are output simultaneously, check and repair the trouble areas in the electronically controlled brake system.
Click here
-
When a DTC has been stored, the vehicle condition when the DTC was stored can be determined from the freeze frame data.
-
Hybrid Control System:
Click here
-
Electronically Controlled Brake System:
Click here
-
Hybrid Control System:
|
Result |
Proceed to |
|---|---|
|
DTC C134800 and speed sensor DTC are not output. |
A |
|
Speed sensor DTC is output. |
B |
|
DTC C134800 is output. |
C |
| A |
|
| B |
|
REPAIR CIRCUITS INDICATED BY OUTPUT DTCS
|
| C |
|
|
|