Toyota Corolla Cross: Different Diameter Tire (C134800)
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 .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
|
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|
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 CodesHINT:
- If C134800 and electronically controlled brake system DTCs are output simultaneously, check and repair the trouble areas in the electronically controlled brake system.
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- 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 | .gif) | USE SIMULATION METHOD TO CHECK |
| B | | REPAIR CIRCUITS INDICATED BY OUTPUT DTCS |
| C | | REPLACE HYBRID VEHICLE CONTROL ECU |
